To find all the divisors of the number 17,000,000,172:
- 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 17,000,000,172:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
17,000,000,172 = 22 × 33 × 179 × 879,371
17,000,000,172 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) × (3 + 1) × (1 + 1) × (1 + 1) = 3 × 4 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 17,000,000,172
- 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
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2 × 3
2 =
18
composite factor = 3
3 =
27
composite factor = 2
2 × 3
2 =
36
composite factor = 2 × 3
3 =
54
composite factor = 2
2 × 3
3 =
108
prime factor =
179
composite factor = 2 × 179 =
358
composite factor = 3 × 179 =
537
composite factor = 2
2 × 179 =
716
composite factor = 2 × 3 × 179 =
1,074
composite factor = 3
2 × 179 =
1,611
composite factor = 2
2 × 3 × 179 =
2,148
composite factor = 2 × 3
2 × 179 =
3,222
composite factor = 3
3 × 179 =
4,833
composite factor = 2
2 × 3
2 × 179 =
6,444
composite factor = 2 × 3
3 × 179 =
9,666
composite factor = 2
2 × 3
3 × 179 =
19,332
This list continues below...
... This list continues from above
prime factor =
879,371
composite factor = 2 × 879,371 =
1,758,742
composite factor = 3 × 879,371 =
2,638,113
composite factor = 2
2 × 879,371 =
3,517,484
composite factor = 2 × 3 × 879,371 =
5,276,226
composite factor = 3
2 × 879,371 =
7,914,339
composite factor = 2
2 × 3 × 879,371 =
10,552,452
composite factor = 2 × 3
2 × 879,371 =
15,828,678
composite factor = 3
3 × 879,371 =
23,743,017
composite factor = 2
2 × 3
2 × 879,371 =
31,657,356
composite factor = 2 × 3
3 × 879,371 =
47,486,034
composite factor = 2
2 × 3
3 × 879,371 =
94,972,068
composite factor = 179 × 879,371 =
157,407,409
composite factor = 2 × 179 × 879,371 =
314,814,818
composite factor = 3 × 179 × 879,371 =
472,222,227
composite factor = 2
2 × 179 × 879,371 =
629,629,636
composite factor = 2 × 3 × 179 × 879,371 =
944,444,454
composite factor = 3
2 × 179 × 879,371 =
1,416,666,681
composite factor = 2
2 × 3 × 179 × 879,371 =
1,888,888,908
composite factor = 2 × 3
2 × 179 × 879,371 =
2,833,333,362
composite factor = 3
3 × 179 × 879,371 =
4,250,000,043
composite factor = 2
2 × 3
2 × 179 × 879,371 =
5,666,666,724
composite factor = 2 × 3
3 × 179 × 879,371 =
8,500,000,086
composite factor = 2
2 × 3
3 × 179 × 879,371 =
17,000,000,172
48 factors (divisors)
What times what is 17,000,000,172?
What number multiplied by what number equals 17,000,000,172?
All the combinations of any two natural numbers whose product equals 17,000,000,172.
1 × 17,000,000,172 = 17,000,000,172
2 × 8,500,000,086 = 17,000,000,172
3 × 5,666,666,724 = 17,000,000,172
4 × 4,250,000,043 = 17,000,000,172
6 × 2,833,333,362 = 17,000,000,172
9 × 1,888,888,908 = 17,000,000,172
12 × 1,416,666,681 = 17,000,000,172
18 × 944,444,454 = 17,000,000,172
27 × 629,629,636 = 17,000,000,172
36 × 472,222,227 = 17,000,000,172
54 × 314,814,818 = 17,000,000,172
108 × 157,407,409 = 17,000,000,172
179 × 94,972,068 = 17,000,000,172
358 × 47,486,034 = 17,000,000,172
537 × 31,657,356 = 17,000,000,172
716 × 23,743,017 = 17,000,000,172
1,074 × 15,828,678 = 17,000,000,172
1,611 × 10,552,452 = 17,000,000,172
2,148 × 7,914,339 = 17,000,000,172
3,222 × 5,276,226 = 17,000,000,172
4,833 × 3,517,484 = 17,000,000,172
6,444 × 2,638,113 = 17,000,000,172
9,666 × 1,758,742 = 17,000,000,172
19,332 × 879,371 = 17,000,000,172
24 unique multiplications The final answer:
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