To find all the divisors of the number 119,504:
- 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 119,504:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
119,504 = 24 × 7 × 11 × 97
119,504 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 = (4 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 5 × 2 × 2 × 2 = 40
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 119,504
- 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
composite factor = 2
2 =
4
prime factor =
7
composite factor = 2
3 =
8
prime factor =
11
composite factor = 2 × 7 =
14
composite factor = 2
4 =
16
composite factor = 2 × 11 =
22
composite factor = 2
2 × 7 =
28
composite factor = 2
2 × 11 =
44
composite factor = 2
3 × 7 =
56
composite factor = 7 × 11 =
77
composite factor = 2
3 × 11 =
88
prime factor =
97
composite factor = 2
4 × 7 =
112
composite factor = 2 × 7 × 11 =
154
composite factor = 2
4 × 11 =
176
composite factor = 2 × 97 =
194
composite factor = 2
2 × 7 × 11 =
308
This list continues below...
... This list continues from above
composite factor = 2
2 × 97 =
388
composite factor = 2
3 × 7 × 11 =
616
composite factor = 7 × 97 =
679
composite factor = 2
3 × 97 =
776
composite factor = 11 × 97 =
1,067
composite factor = 2
4 × 7 × 11 =
1,232
composite factor = 2 × 7 × 97 =
1,358
composite factor = 2
4 × 97 =
1,552
composite factor = 2 × 11 × 97 =
2,134
composite factor = 2
2 × 7 × 97 =
2,716
composite factor = 2
2 × 11 × 97 =
4,268
composite factor = 2
3 × 7 × 97 =
5,432
composite factor = 7 × 11 × 97 =
7,469
composite factor = 2
3 × 11 × 97 =
8,536
composite factor = 2
4 × 7 × 97 =
10,864
composite factor = 2 × 7 × 11 × 97 =
14,938
composite factor = 2
4 × 11 × 97 =
17,072
composite factor = 2
2 × 7 × 11 × 97 =
29,876
composite factor = 2
3 × 7 × 11 × 97 =
59,752
composite factor = 2
4 × 7 × 11 × 97 =
119,504
40 factors (divisors)
What times what is 119,504?
What number multiplied by what number equals 119,504?
All the combinations of any two natural numbers whose product equals 119,504.
1 × 119,504 = 119,504
2 × 59,752 = 119,504
4 × 29,876 = 119,504
7 × 17,072 = 119,504
8 × 14,938 = 119,504
11 × 10,864 = 119,504
14 × 8,536 = 119,504
16 × 7,469 = 119,504
22 × 5,432 = 119,504
28 × 4,268 = 119,504
44 × 2,716 = 119,504
56 × 2,134 = 119,504
77 × 1,552 = 119,504
88 × 1,358 = 119,504
97 × 1,232 = 119,504
112 × 1,067 = 119,504
154 × 776 = 119,504
176 × 679 = 119,504
194 × 616 = 119,504
308 × 388 = 119,504
20 unique multiplications The final answer:
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