To find all the divisors of the number 475,272:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 475,272:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
475,272 = 23 × 32 × 7 × 23 × 41
475,272 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (3 + 1) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 × 2 = 96
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 475,272
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
composite factor = 2
2 =
4
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 2 × 3
2 =
18
composite factor = 3 × 7 =
21
prime factor =
23
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 7 =
28
composite factor = 2
2 × 3
2 =
36
prime factor =
41
composite factor = 2 × 3 × 7 =
42
composite factor = 2 × 23 =
46
composite factor = 2
3 × 7 =
56
composite factor = 3
2 × 7 =
63
composite factor = 3 × 23 =
69
composite factor = 2
3 × 3
2 =
72
composite factor = 2 × 41 =
82
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
2 × 23 =
92
composite factor = 3 × 41 =
123
composite factor = 2 × 3
2 × 7 =
126
composite factor = 2 × 3 × 23 =
138
composite factor = 7 × 23 =
161
composite factor = 2
2 × 41 =
164
composite factor = 2
3 × 3 × 7 =
168
composite factor = 2
3 × 23 =
184
composite factor = 3
2 × 23 =
207
composite factor = 2 × 3 × 41 =
246
composite factor = 2
2 × 3
2 × 7 =
252
composite factor = 2
2 × 3 × 23 =
276
composite factor = 7 × 41 =
287
composite factor = 2 × 7 × 23 =
322
composite factor = 2
3 × 41 =
328
composite factor = 3
2 × 41 =
369
composite factor = 2 × 3
2 × 23 =
414
composite factor = 3 × 7 × 23 =
483
composite factor = 2
2 × 3 × 41 =
492
composite factor = 2
3 × 3
2 × 7 =
504
composite factor = 2
3 × 3 × 23 =
552
composite factor = 2 × 7 × 41 =
574
composite factor = 2
2 × 7 × 23 =
644
This list continues below...
... This list continues from above
composite factor = 2 × 3
2 × 41 =
738
composite factor = 2
2 × 3
2 × 23 =
828
composite factor = 3 × 7 × 41 =
861
composite factor = 23 × 41 =
943
composite factor = 2 × 3 × 7 × 23 =
966
composite factor = 2
3 × 3 × 41 =
984
composite factor = 2
2 × 7 × 41 =
1,148
composite factor = 2
3 × 7 × 23 =
1,288
composite factor = 3
2 × 7 × 23 =
1,449
composite factor = 2
2 × 3
2 × 41 =
1,476
composite factor = 2
3 × 3
2 × 23 =
1,656
composite factor = 2 × 3 × 7 × 41 =
1,722
composite factor = 2 × 23 × 41 =
1,886
composite factor = 2
2 × 3 × 7 × 23 =
1,932
composite factor = 2
3 × 7 × 41 =
2,296
composite factor = 3
2 × 7 × 41 =
2,583
composite factor = 3 × 23 × 41 =
2,829
composite factor = 2 × 3
2 × 7 × 23 =
2,898
composite factor = 2
3 × 3
2 × 41 =
2,952
composite factor = 2
2 × 3 × 7 × 41 =
3,444
composite factor = 2
2 × 23 × 41 =
3,772
composite factor = 2
3 × 3 × 7 × 23 =
3,864
composite factor = 2 × 3
2 × 7 × 41 =
5,166
composite factor = 2 × 3 × 23 × 41 =
5,658
composite factor = 2
2 × 3
2 × 7 × 23 =
5,796
composite factor = 7 × 23 × 41 =
6,601
composite factor = 2
3 × 3 × 7 × 41 =
6,888
composite factor = 2
3 × 23 × 41 =
7,544
composite factor = 3
2 × 23 × 41 =
8,487
composite factor = 2
2 × 3
2 × 7 × 41 =
10,332
composite factor = 2
2 × 3 × 23 × 41 =
11,316
composite factor = 2
3 × 3
2 × 7 × 23 =
11,592
composite factor = 2 × 7 × 23 × 41 =
13,202
composite factor = 2 × 3
2 × 23 × 41 =
16,974
composite factor = 3 × 7 × 23 × 41 =
19,803
composite factor = 2
3 × 3
2 × 7 × 41 =
20,664
composite factor = 2
3 × 3 × 23 × 41 =
22,632
composite factor = 2
2 × 7 × 23 × 41 =
26,404
composite factor = 2
2 × 3
2 × 23 × 41 =
33,948
composite factor = 2 × 3 × 7 × 23 × 41 =
39,606
composite factor = 2
3 × 7 × 23 × 41 =
52,808
composite factor = 3
2 × 7 × 23 × 41 =
59,409
composite factor = 2
3 × 3
2 × 23 × 41 =
67,896
composite factor = 2
2 × 3 × 7 × 23 × 41 =
79,212
composite factor = 2 × 3
2 × 7 × 23 × 41 =
118,818
composite factor = 2
3 × 3 × 7 × 23 × 41 =
158,424
composite factor = 2
2 × 3
2 × 7 × 23 × 41 =
237,636
composite factor = 2
3 × 3
2 × 7 × 23 × 41 =
475,272
96 factors (divisors)
What times what is 475,272?
What number multiplied by what number equals 475,272?
All the combinations of any two natural numbers whose product equals 475,272.
1 × 475,272 = 475,272
2 × 237,636 = 475,272
3 × 158,424 = 475,272
4 × 118,818 = 475,272
6 × 79,212 = 475,272
7 × 67,896 = 475,272
8 × 59,409 = 475,272
9 × 52,808 = 475,272
12 × 39,606 = 475,272
14 × 33,948 = 475,272
18 × 26,404 = 475,272
21 × 22,632 = 475,272
23 × 20,664 = 475,272
24 × 19,803 = 475,272
28 × 16,974 = 475,272
36 × 13,202 = 475,272
41 × 11,592 = 475,272
42 × 11,316 = 475,272
46 × 10,332 = 475,272
56 × 8,487 = 475,272
63 × 7,544 = 475,272
69 × 6,888 = 475,272
72 × 6,601 = 475,272
82 × 5,796 = 475,272
84 × 5,658 = 475,272
92 × 5,166 = 475,272
123 × 3,864 = 475,272
126 × 3,772 = 475,272
138 × 3,444 = 475,272
161 × 2,952 = 475,272
164 × 2,898 = 475,272
168 × 2,829 = 475,272
184 × 2,583 = 475,272
207 × 2,296 = 475,272
246 × 1,932 = 475,272
252 × 1,886 = 475,272
276 × 1,722 = 475,272
287 × 1,656 = 475,272
322 × 1,476 = 475,272
328 × 1,449 = 475,272
369 × 1,288 = 475,272
414 × 1,148 = 475,272
483 × 984 = 475,272
492 × 966 = 475,272
504 × 943 = 475,272
552 × 861 = 475,272
574 × 828 = 475,272
644 × 738 = 475,272
48 unique multiplications The final answer:
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