To find all the divisors of the number 73,416:
- 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 73,416:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
73,416 = 23 × 3 × 7 × 19 × 23
73,416 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 73,416
- 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 = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
prime factor =
19
composite factor = 3 × 7 =
21
prime factor =
23
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 7 =
28
composite factor = 2 × 19 =
38
composite factor = 2 × 3 × 7 =
42
composite factor = 2 × 23 =
46
composite factor = 2
3 × 7 =
56
composite factor = 3 × 19 =
57
composite factor = 3 × 23 =
69
composite factor = 2
2 × 19 =
76
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2
2 × 23 =
92
composite factor = 2 × 3 × 19 =
114
composite factor = 7 × 19 =
133
composite factor = 2 × 3 × 23 =
138
composite factor = 2
3 × 19 =
152
composite factor = 7 × 23 =
161
composite factor = 2
3 × 3 × 7 =
168
composite factor = 2
3 × 23 =
184
composite factor = 2
2 × 3 × 19 =
228
composite factor = 2 × 7 × 19 =
266
This list continues below...
... This list continues from above
composite factor = 2
2 × 3 × 23 =
276
composite factor = 2 × 7 × 23 =
322
composite factor = 3 × 7 × 19 =
399
composite factor = 19 × 23 =
437
composite factor = 2
3 × 3 × 19 =
456
composite factor = 3 × 7 × 23 =
483
composite factor = 2
2 × 7 × 19 =
532
composite factor = 2
3 × 3 × 23 =
552
composite factor = 2
2 × 7 × 23 =
644
composite factor = 2 × 3 × 7 × 19 =
798
composite factor = 2 × 19 × 23 =
874
composite factor = 2 × 3 × 7 × 23 =
966
composite factor = 2
3 × 7 × 19 =
1,064
composite factor = 2
3 × 7 × 23 =
1,288
composite factor = 3 × 19 × 23 =
1,311
composite factor = 2
2 × 3 × 7 × 19 =
1,596
composite factor = 2
2 × 19 × 23 =
1,748
composite factor = 2
2 × 3 × 7 × 23 =
1,932
composite factor = 2 × 3 × 19 × 23 =
2,622
composite factor = 7 × 19 × 23 =
3,059
composite factor = 2
3 × 3 × 7 × 19 =
3,192
composite factor = 2
3 × 19 × 23 =
3,496
composite factor = 2
3 × 3 × 7 × 23 =
3,864
composite factor = 2
2 × 3 × 19 × 23 =
5,244
composite factor = 2 × 7 × 19 × 23 =
6,118
composite factor = 3 × 7 × 19 × 23 =
9,177
composite factor = 2
3 × 3 × 19 × 23 =
10,488
composite factor = 2
2 × 7 × 19 × 23 =
12,236
composite factor = 2 × 3 × 7 × 19 × 23 =
18,354
composite factor = 2
3 × 7 × 19 × 23 =
24,472
composite factor = 2
2 × 3 × 7 × 19 × 23 =
36,708
composite factor = 2
3 × 3 × 7 × 19 × 23 =
73,416
64 factors (divisors)
What times what is 73,416?
What number multiplied by what number equals 73,416?
All the combinations of any two natural numbers whose product equals 73,416.
1 × 73,416 = 73,416
2 × 36,708 = 73,416
3 × 24,472 = 73,416
4 × 18,354 = 73,416
6 × 12,236 = 73,416
7 × 10,488 = 73,416
8 × 9,177 = 73,416
12 × 6,118 = 73,416
14 × 5,244 = 73,416
19 × 3,864 = 73,416
21 × 3,496 = 73,416
23 × 3,192 = 73,416
24 × 3,059 = 73,416
28 × 2,622 = 73,416
38 × 1,932 = 73,416
42 × 1,748 = 73,416
46 × 1,596 = 73,416
56 × 1,311 = 73,416
57 × 1,288 = 73,416
69 × 1,064 = 73,416
76 × 966 = 73,416
84 × 874 = 73,416
92 × 798 = 73,416
114 × 644 = 73,416
133 × 552 = 73,416
138 × 532 = 73,416
152 × 483 = 73,416
161 × 456 = 73,416
168 × 437 = 73,416
184 × 399 = 73,416
228 × 322 = 73,416
266 × 276 = 73,416
32 unique multiplications The final answer:
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