To find all the divisors of the number 362,406:
- 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 362,406:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
362,406 = 2 × 3 × 11 × 172 × 19
362,406 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 = (1 + 1) × (1 + 1) × (1 + 1) × (2 + 1) × (1 + 1) = 2 × 2 × 2 × 3 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 362,406
- 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 × 3 =
6
prime factor =
11
prime factor =
17
prime factor =
19
composite factor = 2 × 11 =
22
composite factor = 3 × 11 =
33
composite factor = 2 × 17 =
34
composite factor = 2 × 19 =
38
composite factor = 3 × 17 =
51
composite factor = 3 × 19 =
57
composite factor = 2 × 3 × 11 =
66
composite factor = 2 × 3 × 17 =
102
composite factor = 2 × 3 × 19 =
114
composite factor = 11 × 17 =
187
composite factor = 11 × 19 =
209
composite factor = 17
2 =
289
composite factor = 17 × 19 =
323
composite factor = 2 × 11 × 17 =
374
composite factor = 2 × 11 × 19 =
418
composite factor = 3 × 11 × 17 =
561
composite factor = 2 × 17
2 =
578
This list continues below...
... This list continues from above
composite factor = 3 × 11 × 19 =
627
composite factor = 2 × 17 × 19 =
646
composite factor = 3 × 17
2 =
867
composite factor = 3 × 17 × 19 =
969
composite factor = 2 × 3 × 11 × 17 =
1,122
composite factor = 2 × 3 × 11 × 19 =
1,254
composite factor = 2 × 3 × 17
2 =
1,734
composite factor = 2 × 3 × 17 × 19 =
1,938
composite factor = 11 × 17
2 =
3,179
composite factor = 11 × 17 × 19 =
3,553
composite factor = 17
2 × 19 =
5,491
composite factor = 2 × 11 × 17
2 =
6,358
composite factor = 2 × 11 × 17 × 19 =
7,106
composite factor = 3 × 11 × 17
2 =
9,537
composite factor = 3 × 11 × 17 × 19 =
10,659
composite factor = 2 × 17
2 × 19 =
10,982
composite factor = 3 × 17
2 × 19 =
16,473
composite factor = 2 × 3 × 11 × 17
2 =
19,074
composite factor = 2 × 3 × 11 × 17 × 19 =
21,318
composite factor = 2 × 3 × 17
2 × 19 =
32,946
composite factor = 11 × 17
2 × 19 =
60,401
composite factor = 2 × 11 × 17
2 × 19 =
120,802
composite factor = 3 × 11 × 17
2 × 19 =
181,203
composite factor = 2 × 3 × 11 × 17
2 × 19 =
362,406
48 factors (divisors)
What times what is 362,406?
What number multiplied by what number equals 362,406?
All the combinations of any two natural numbers whose product equals 362,406.
1 × 362,406 = 362,406
2 × 181,203 = 362,406
3 × 120,802 = 362,406
6 × 60,401 = 362,406
11 × 32,946 = 362,406
17 × 21,318 = 362,406
19 × 19,074 = 362,406
22 × 16,473 = 362,406
33 × 10,982 = 362,406
34 × 10,659 = 362,406
38 × 9,537 = 362,406
51 × 7,106 = 362,406
57 × 6,358 = 362,406
66 × 5,491 = 362,406
102 × 3,553 = 362,406
114 × 3,179 = 362,406
187 × 1,938 = 362,406
209 × 1,734 = 362,406
289 × 1,254 = 362,406
323 × 1,122 = 362,406
374 × 969 = 362,406
418 × 867 = 362,406
561 × 646 = 362,406
578 × 627 = 362,406
24 unique multiplications The final answer:
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