To find all the divisors of the number 346,038:
- 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 346,038:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
346,038 = 2 × 3 × 72 × 11 × 107
346,038 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) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 346,038
- 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 =
7
prime factor =
11
composite factor = 2 × 7 =
14
composite factor = 3 × 7 =
21
composite factor = 2 × 11 =
22
composite factor = 3 × 11 =
33
composite factor = 2 × 3 × 7 =
42
composite factor = 7
2 =
49
composite factor = 2 × 3 × 11 =
66
composite factor = 7 × 11 =
77
composite factor = 2 × 7
2 =
98
prime factor =
107
composite factor = 3 × 7
2 =
147
composite factor = 2 × 7 × 11 =
154
composite factor = 2 × 107 =
214
composite factor = 3 × 7 × 11 =
231
composite factor = 2 × 3 × 7
2 =
294
composite factor = 3 × 107 =
321
composite factor = 2 × 3 × 7 × 11 =
462
composite factor = 7
2 × 11 =
539
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 107 =
642
composite factor = 7 × 107 =
749
composite factor = 2 × 7
2 × 11 =
1,078
composite factor = 11 × 107 =
1,177
composite factor = 2 × 7 × 107 =
1,498
composite factor = 3 × 7
2 × 11 =
1,617
composite factor = 3 × 7 × 107 =
2,247
composite factor = 2 × 11 × 107 =
2,354
composite factor = 2 × 3 × 7
2 × 11 =
3,234
composite factor = 3 × 11 × 107 =
3,531
composite factor = 2 × 3 × 7 × 107 =
4,494
composite factor = 7
2 × 107 =
5,243
composite factor = 2 × 3 × 11 × 107 =
7,062
composite factor = 7 × 11 × 107 =
8,239
composite factor = 2 × 7
2 × 107 =
10,486
composite factor = 3 × 7
2 × 107 =
15,729
composite factor = 2 × 7 × 11 × 107 =
16,478
composite factor = 3 × 7 × 11 × 107 =
24,717
composite factor = 2 × 3 × 7
2 × 107 =
31,458
composite factor = 2 × 3 × 7 × 11 × 107 =
49,434
composite factor = 7
2 × 11 × 107 =
57,673
composite factor = 2 × 7
2 × 11 × 107 =
115,346
composite factor = 3 × 7
2 × 11 × 107 =
173,019
composite factor = 2 × 3 × 7
2 × 11 × 107 =
346,038
48 factors (divisors)
What times what is 346,038?
What number multiplied by what number equals 346,038?
All the combinations of any two natural numbers whose product equals 346,038.
1 × 346,038 = 346,038
2 × 173,019 = 346,038
3 × 115,346 = 346,038
6 × 57,673 = 346,038
7 × 49,434 = 346,038
11 × 31,458 = 346,038
14 × 24,717 = 346,038
21 × 16,478 = 346,038
22 × 15,729 = 346,038
33 × 10,486 = 346,038
42 × 8,239 = 346,038
49 × 7,062 = 346,038
66 × 5,243 = 346,038
77 × 4,494 = 346,038
98 × 3,531 = 346,038
107 × 3,234 = 346,038
147 × 2,354 = 346,038
154 × 2,247 = 346,038
214 × 1,617 = 346,038
231 × 1,498 = 346,038
294 × 1,177 = 346,038
321 × 1,078 = 346,038
462 × 749 = 346,038
539 × 642 = 346,038
24 unique multiplications The final answer:
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