To find all the divisors of the number 173,736:
- 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 173,736:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
173,736 = 23 × 32 × 19 × 127
173,736 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) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 173,736
- 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
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
prime factor =
19
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 19 =
38
composite factor = 3 × 19 =
57
composite factor = 2
3 × 3
2 =
72
composite factor = 2
2 × 19 =
76
composite factor = 2 × 3 × 19 =
114
prime factor =
127
composite factor = 2
3 × 19 =
152
composite factor = 3
2 × 19 =
171
composite factor = 2
2 × 3 × 19 =
228
composite factor = 2 × 127 =
254
composite factor = 2 × 3
2 × 19 =
342
composite factor = 3 × 127 =
381
This list continues below...
... This list continues from above
composite factor = 2
3 × 3 × 19 =
456
composite factor = 2
2 × 127 =
508
composite factor = 2
2 × 3
2 × 19 =
684
composite factor = 2 × 3 × 127 =
762
composite factor = 2
3 × 127 =
1,016
composite factor = 3
2 × 127 =
1,143
composite factor = 2
3 × 3
2 × 19 =
1,368
composite factor = 2
2 × 3 × 127 =
1,524
composite factor = 2 × 3
2 × 127 =
2,286
composite factor = 19 × 127 =
2,413
composite factor = 2
3 × 3 × 127 =
3,048
composite factor = 2
2 × 3
2 × 127 =
4,572
composite factor = 2 × 19 × 127 =
4,826
composite factor = 3 × 19 × 127 =
7,239
composite factor = 2
3 × 3
2 × 127 =
9,144
composite factor = 2
2 × 19 × 127 =
9,652
composite factor = 2 × 3 × 19 × 127 =
14,478
composite factor = 2
3 × 19 × 127 =
19,304
composite factor = 3
2 × 19 × 127 =
21,717
composite factor = 2
2 × 3 × 19 × 127 =
28,956
composite factor = 2 × 3
2 × 19 × 127 =
43,434
composite factor = 2
3 × 3 × 19 × 127 =
57,912
composite factor = 2
2 × 3
2 × 19 × 127 =
86,868
composite factor = 2
3 × 3
2 × 19 × 127 =
173,736
48 factors (divisors)
What times what is 173,736?
What number multiplied by what number equals 173,736?
All the combinations of any two natural numbers whose product equals 173,736.
1 × 173,736 = 173,736
2 × 86,868 = 173,736
3 × 57,912 = 173,736
4 × 43,434 = 173,736
6 × 28,956 = 173,736
8 × 21,717 = 173,736
9 × 19,304 = 173,736
12 × 14,478 = 173,736
18 × 9,652 = 173,736
19 × 9,144 = 173,736
24 × 7,239 = 173,736
36 × 4,826 = 173,736
38 × 4,572 = 173,736
57 × 3,048 = 173,736
72 × 2,413 = 173,736
76 × 2,286 = 173,736
114 × 1,524 = 173,736
127 × 1,368 = 173,736
152 × 1,143 = 173,736
171 × 1,016 = 173,736
228 × 762 = 173,736
254 × 684 = 173,736
342 × 508 = 173,736
381 × 456 = 173,736
24 unique multiplications The final answer:
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