To find all the divisors of the number 119,999,999,950:
- 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 119,999,999,950:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
119,999,999,950 = 2 × 52 × 239 × 2,309 × 4,349
119,999,999,950 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) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 119,999,999,950
- 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 =
5
composite factor = 2 × 5 =
10
composite factor = 5
2 =
25
composite factor = 2 × 5
2 =
50
prime factor =
239
composite factor = 2 × 239 =
478
composite factor = 5 × 239 =
1,195
prime factor =
2,309
composite factor = 2 × 5 × 239 =
2,390
prime factor =
4,349
composite factor = 2 × 2,309 =
4,618
composite factor = 5
2 × 239 =
5,975
composite factor = 2 × 4,349 =
8,698
composite factor = 5 × 2,309 =
11,545
composite factor = 2 × 5
2 × 239 =
11,950
composite factor = 5 × 4,349 =
21,745
composite factor = 2 × 5 × 2,309 =
23,090
composite factor = 2 × 5 × 4,349 =
43,490
composite factor = 5
2 × 2,309 =
57,725
composite factor = 5
2 × 4,349 =
108,725
composite factor = 2 × 5
2 × 2,309 =
115,450
composite factor = 2 × 5
2 × 4,349 =
217,450
This list continues below...
... This list continues from above
composite factor = 239 × 2,309 =
551,851
composite factor = 239 × 4,349 =
1,039,411
composite factor = 2 × 239 × 2,309 =
1,103,702
composite factor = 2 × 239 × 4,349 =
2,078,822
composite factor = 5 × 239 × 2,309 =
2,759,255
composite factor = 5 × 239 × 4,349 =
5,197,055
composite factor = 2 × 5 × 239 × 2,309 =
5,518,510
composite factor = 2,309 × 4,349 =
10,041,841
composite factor = 2 × 5 × 239 × 4,349 =
10,394,110
composite factor = 5
2 × 239 × 2,309 =
13,796,275
composite factor = 2 × 2,309 × 4,349 =
20,083,682
composite factor = 5
2 × 239 × 4,349 =
25,985,275
composite factor = 2 × 5
2 × 239 × 2,309 =
27,592,550
composite factor = 5 × 2,309 × 4,349 =
50,209,205
composite factor = 2 × 5
2 × 239 × 4,349 =
51,970,550
composite factor = 2 × 5 × 2,309 × 4,349 =
100,418,410
composite factor = 5
2 × 2,309 × 4,349 =
251,046,025
composite factor = 2 × 5
2 × 2,309 × 4,349 =
502,092,050
composite factor = 239 × 2,309 × 4,349 =
2,399,999,999
composite factor = 2 × 239 × 2,309 × 4,349 =
4,799,999,998
composite factor = 5 × 239 × 2,309 × 4,349 =
11,999,999,995
composite factor = 2 × 5 × 239 × 2,309 × 4,349 =
23,999,999,990
composite factor = 5
2 × 239 × 2,309 × 4,349 =
59,999,999,975
composite factor = 2 × 5
2 × 239 × 2,309 × 4,349 =
119,999,999,950
48 factors (divisors)
What times what is 119,999,999,950?
What number multiplied by what number equals 119,999,999,950?
All the combinations of any two natural numbers whose product equals 119,999,999,950.
1 × 119,999,999,950 = 119,999,999,950
2 × 59,999,999,975 = 119,999,999,950
5 × 23,999,999,990 = 119,999,999,950
10 × 11,999,999,995 = 119,999,999,950
25 × 4,799,999,998 = 119,999,999,950
50 × 2,399,999,999 = 119,999,999,950
239 × 502,092,050 = 119,999,999,950
478 × 251,046,025 = 119,999,999,950
1,195 × 100,418,410 = 119,999,999,950
2,309 × 51,970,550 = 119,999,999,950
2,390 × 50,209,205 = 119,999,999,950
4,349 × 27,592,550 = 119,999,999,950
4,618 × 25,985,275 = 119,999,999,950
5,975 × 20,083,682 = 119,999,999,950
8,698 × 13,796,275 = 119,999,999,950
11,545 × 10,394,110 = 119,999,999,950
11,950 × 10,041,841 = 119,999,999,950
21,745 × 5,518,510 = 119,999,999,950
23,090 × 5,197,055 = 119,999,999,950
43,490 × 2,759,255 = 119,999,999,950
57,725 × 2,078,822 = 119,999,999,950
108,725 × 1,103,702 = 119,999,999,950
115,450 × 1,039,411 = 119,999,999,950
217,450 × 551,851 = 119,999,999,950
24 unique multiplications The final answer:
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