To find all the divisors of the number 162,792:
- 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 162,792:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
162,792 = 23 × 32 × 7 × 17 × 19
162,792 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 162,792
- 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
prime factor =
17
composite factor = 2 × 3
2 =
18
prime factor =
19
composite factor = 3 × 7 =
21
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 7 =
28
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 19 =
38
composite factor = 2 × 3 × 7 =
42
composite factor = 3 × 17 =
51
composite factor = 2
3 × 7 =
56
composite factor = 3 × 19 =
57
composite factor = 3
2 × 7 =
63
composite factor = 2
2 × 17 =
68
composite factor = 2
3 × 3
2 =
72
composite factor = 2
2 × 19 =
76
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2 × 3 × 17 =
102
composite factor = 2 × 3 × 19 =
114
composite factor = 7 × 17 =
119
composite factor = 2 × 3
2 × 7 =
126
composite factor = 7 × 19 =
133
composite factor = 2
3 × 17 =
136
composite factor = 2
3 × 19 =
152
composite factor = 3
2 × 17 =
153
composite factor = 2
3 × 3 × 7 =
168
composite factor = 3
2 × 19 =
171
composite factor = 2
2 × 3 × 17 =
204
composite factor = 2
2 × 3 × 19 =
228
composite factor = 2 × 7 × 17 =
238
composite factor = 2
2 × 3
2 × 7 =
252
composite factor = 2 × 7 × 19 =
266
composite factor = 2 × 3
2 × 17 =
306
composite factor = 17 × 19 =
323
composite factor = 2 × 3
2 × 19 =
342
composite factor = 3 × 7 × 17 =
357
composite factor = 3 × 7 × 19 =
399
This list continues below...
... This list continues from above
composite factor = 2
3 × 3 × 17 =
408
composite factor = 2
3 × 3 × 19 =
456
composite factor = 2
2 × 7 × 17 =
476
composite factor = 2
3 × 3
2 × 7 =
504
composite factor = 2
2 × 7 × 19 =
532
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 2 × 17 × 19 =
646
composite factor = 2
2 × 3
2 × 19 =
684
composite factor = 2 × 3 × 7 × 17 =
714
composite factor = 2 × 3 × 7 × 19 =
798
composite factor = 2
3 × 7 × 17 =
952
composite factor = 3 × 17 × 19 =
969
composite factor = 2
3 × 7 × 19 =
1,064
composite factor = 3
2 × 7 × 17 =
1,071
composite factor = 3
2 × 7 × 19 =
1,197
composite factor = 2
3 × 3
2 × 17 =
1,224
composite factor = 2
2 × 17 × 19 =
1,292
composite factor = 2
3 × 3
2 × 19 =
1,368
composite factor = 2
2 × 3 × 7 × 17 =
1,428
composite factor = 2
2 × 3 × 7 × 19 =
1,596
composite factor = 2 × 3 × 17 × 19 =
1,938
composite factor = 2 × 3
2 × 7 × 17 =
2,142
composite factor = 7 × 17 × 19 =
2,261
composite factor = 2 × 3
2 × 7 × 19 =
2,394
composite factor = 2
3 × 17 × 19 =
2,584
composite factor = 2
3 × 3 × 7 × 17 =
2,856
composite factor = 3
2 × 17 × 19 =
2,907
composite factor = 2
3 × 3 × 7 × 19 =
3,192
composite factor = 2
2 × 3 × 17 × 19 =
3,876
composite factor = 2
2 × 3
2 × 7 × 17 =
4,284
composite factor = 2 × 7 × 17 × 19 =
4,522
composite factor = 2
2 × 3
2 × 7 × 19 =
4,788
composite factor = 2 × 3
2 × 17 × 19 =
5,814
composite factor = 3 × 7 × 17 × 19 =
6,783
composite factor = 2
3 × 3 × 17 × 19 =
7,752
composite factor = 2
3 × 3
2 × 7 × 17 =
8,568
composite factor = 2
2 × 7 × 17 × 19 =
9,044
composite factor = 2
3 × 3
2 × 7 × 19 =
9,576
composite factor = 2
2 × 3
2 × 17 × 19 =
11,628
composite factor = 2 × 3 × 7 × 17 × 19 =
13,566
composite factor = 2
3 × 7 × 17 × 19 =
18,088
composite factor = 3
2 × 7 × 17 × 19 =
20,349
composite factor = 2
3 × 3
2 × 17 × 19 =
23,256
composite factor = 2
2 × 3 × 7 × 17 × 19 =
27,132
composite factor = 2 × 3
2 × 7 × 17 × 19 =
40,698
composite factor = 2
3 × 3 × 7 × 17 × 19 =
54,264
composite factor = 2
2 × 3
2 × 7 × 17 × 19 =
81,396
composite factor = 2
3 × 3
2 × 7 × 17 × 19 =
162,792
96 factors (divisors)
What times what is 162,792?
What number multiplied by what number equals 162,792?
All the combinations of any two natural numbers whose product equals 162,792.
1 × 162,792 = 162,792
2 × 81,396 = 162,792
3 × 54,264 = 162,792
4 × 40,698 = 162,792
6 × 27,132 = 162,792
7 × 23,256 = 162,792
8 × 20,349 = 162,792
9 × 18,088 = 162,792
12 × 13,566 = 162,792
14 × 11,628 = 162,792
17 × 9,576 = 162,792
18 × 9,044 = 162,792
19 × 8,568 = 162,792
21 × 7,752 = 162,792
24 × 6,783 = 162,792
28 × 5,814 = 162,792
34 × 4,788 = 162,792
36 × 4,522 = 162,792
38 × 4,284 = 162,792
42 × 3,876 = 162,792
51 × 3,192 = 162,792
56 × 2,907 = 162,792
57 × 2,856 = 162,792
63 × 2,584 = 162,792
68 × 2,394 = 162,792
72 × 2,261 = 162,792
76 × 2,142 = 162,792
84 × 1,938 = 162,792
102 × 1,596 = 162,792
114 × 1,428 = 162,792
119 × 1,368 = 162,792
126 × 1,292 = 162,792
133 × 1,224 = 162,792
136 × 1,197 = 162,792
152 × 1,071 = 162,792
153 × 1,064 = 162,792
168 × 969 = 162,792
171 × 952 = 162,792
204 × 798 = 162,792
228 × 714 = 162,792
238 × 684 = 162,792
252 × 646 = 162,792
266 × 612 = 162,792
306 × 532 = 162,792
323 × 504 = 162,792
342 × 476 = 162,792
357 × 456 = 162,792
399 × 408 = 162,792
48 unique multiplications The final answer:
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