To find all the divisors of the number 384,252:
- 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 384,252:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
384,252 = 22 × 3 × 11 × 41 × 71
384,252 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 384,252
- 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 =
11
composite factor = 2
2 × 3 =
12
composite factor = 2 × 11 =
22
composite factor = 3 × 11 =
33
prime factor =
41
composite factor = 2
2 × 11 =
44
composite factor = 2 × 3 × 11 =
66
prime factor =
71
composite factor = 2 × 41 =
82
composite factor = 3 × 41 =
123
composite factor = 2
2 × 3 × 11 =
132
composite factor = 2 × 71 =
142
composite factor = 2
2 × 41 =
164
composite factor = 3 × 71 =
213
composite factor = 2 × 3 × 41 =
246
composite factor = 2
2 × 71 =
284
composite factor = 2 × 3 × 71 =
426
composite factor = 11 × 41 =
451
composite factor = 2
2 × 3 × 41 =
492
This list continues below...
... This list continues from above
composite factor = 11 × 71 =
781
composite factor = 2
2 × 3 × 71 =
852
composite factor = 2 × 11 × 41 =
902
composite factor = 3 × 11 × 41 =
1,353
composite factor = 2 × 11 × 71 =
1,562
composite factor = 2
2 × 11 × 41 =
1,804
composite factor = 3 × 11 × 71 =
2,343
composite factor = 2 × 3 × 11 × 41 =
2,706
composite factor = 41 × 71 =
2,911
composite factor = 2
2 × 11 × 71 =
3,124
composite factor = 2 × 3 × 11 × 71 =
4,686
composite factor = 2
2 × 3 × 11 × 41 =
5,412
composite factor = 2 × 41 × 71 =
5,822
composite factor = 3 × 41 × 71 =
8,733
composite factor = 2
2 × 3 × 11 × 71 =
9,372
composite factor = 2
2 × 41 × 71 =
11,644
composite factor = 2 × 3 × 41 × 71 =
17,466
composite factor = 11 × 41 × 71 =
32,021
composite factor = 2
2 × 3 × 41 × 71 =
34,932
composite factor = 2 × 11 × 41 × 71 =
64,042
composite factor = 3 × 11 × 41 × 71 =
96,063
composite factor = 2
2 × 11 × 41 × 71 =
128,084
composite factor = 2 × 3 × 11 × 41 × 71 =
192,126
composite factor = 2
2 × 3 × 11 × 41 × 71 =
384,252
48 factors (divisors)
What times what is 384,252?
What number multiplied by what number equals 384,252?
All the combinations of any two natural numbers whose product equals 384,252.
1 × 384,252 = 384,252
2 × 192,126 = 384,252
3 × 128,084 = 384,252
4 × 96,063 = 384,252
6 × 64,042 = 384,252
11 × 34,932 = 384,252
12 × 32,021 = 384,252
22 × 17,466 = 384,252
33 × 11,644 = 384,252
41 × 9,372 = 384,252
44 × 8,733 = 384,252
66 × 5,822 = 384,252
71 × 5,412 = 384,252
82 × 4,686 = 384,252
123 × 3,124 = 384,252
132 × 2,911 = 384,252
142 × 2,706 = 384,252
164 × 2,343 = 384,252
213 × 1,804 = 384,252
246 × 1,562 = 384,252
284 × 1,353 = 384,252
426 × 902 = 384,252
451 × 852 = 384,252
492 × 781 = 384,252
24 unique multiplications The final answer:
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