To find all the divisors of the number 332,724:
- 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 332,724:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
332,724 = 22 × 3 × 7 × 17 × 233
332,724 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 = (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 332,724
- 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
2 × 3 =
12
composite factor = 2 × 7 =
14
prime factor =
17
composite factor = 3 × 7 =
21
composite factor = 2
2 × 7 =
28
composite factor = 2 × 17 =
34
composite factor = 2 × 3 × 7 =
42
composite factor = 3 × 17 =
51
composite factor = 2
2 × 17 =
68
composite factor = 2
2 × 3 × 7 =
84
composite factor = 2 × 3 × 17 =
102
composite factor = 7 × 17 =
119
composite factor = 2
2 × 3 × 17 =
204
prime factor =
233
composite factor = 2 × 7 × 17 =
238
composite factor = 3 × 7 × 17 =
357
composite factor = 2 × 233 =
466
composite factor = 2
2 × 7 × 17 =
476
This list continues below...
... This list continues from above
composite factor = 3 × 233 =
699
composite factor = 2 × 3 × 7 × 17 =
714
composite factor = 2
2 × 233 =
932
composite factor = 2 × 3 × 233 =
1,398
composite factor = 2
2 × 3 × 7 × 17 =
1,428
composite factor = 7 × 233 =
1,631
composite factor = 2
2 × 3 × 233 =
2,796
composite factor = 2 × 7 × 233 =
3,262
composite factor = 17 × 233 =
3,961
composite factor = 3 × 7 × 233 =
4,893
composite factor = 2
2 × 7 × 233 =
6,524
composite factor = 2 × 17 × 233 =
7,922
composite factor = 2 × 3 × 7 × 233 =
9,786
composite factor = 3 × 17 × 233 =
11,883
composite factor = 2
2 × 17 × 233 =
15,844
composite factor = 2
2 × 3 × 7 × 233 =
19,572
composite factor = 2 × 3 × 17 × 233 =
23,766
composite factor = 7 × 17 × 233 =
27,727
composite factor = 2
2 × 3 × 17 × 233 =
47,532
composite factor = 2 × 7 × 17 × 233 =
55,454
composite factor = 3 × 7 × 17 × 233 =
83,181
composite factor = 2
2 × 7 × 17 × 233 =
110,908
composite factor = 2 × 3 × 7 × 17 × 233 =
166,362
composite factor = 2
2 × 3 × 7 × 17 × 233 =
332,724
48 factors (divisors)
What times what is 332,724?
What number multiplied by what number equals 332,724?
All the combinations of any two natural numbers whose product equals 332,724.
1 × 332,724 = 332,724
2 × 166,362 = 332,724
3 × 110,908 = 332,724
4 × 83,181 = 332,724
6 × 55,454 = 332,724
7 × 47,532 = 332,724
12 × 27,727 = 332,724
14 × 23,766 = 332,724
17 × 19,572 = 332,724
21 × 15,844 = 332,724
28 × 11,883 = 332,724
34 × 9,786 = 332,724
42 × 7,922 = 332,724
51 × 6,524 = 332,724
68 × 4,893 = 332,724
84 × 3,961 = 332,724
102 × 3,262 = 332,724
119 × 2,796 = 332,724
204 × 1,631 = 332,724
233 × 1,428 = 332,724
238 × 1,398 = 332,724
357 × 932 = 332,724
466 × 714 = 332,724
476 × 699 = 332,724
24 unique multiplications The final answer:
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