To find all the divisors of the number 17,000,000,444:
- 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 17,000,000,444:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
17,000,000,444 = 22 × 7 × 103 × 5,894,591
17,000,000,444 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) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 = 24
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 17,000,000,444
- 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 × 7 =
14
composite factor = 2
2 × 7 =
28
prime factor =
103
composite factor = 2 × 103 =
206
composite factor = 2
2 × 103 =
412
composite factor = 7 × 103 =
721
composite factor = 2 × 7 × 103 =
1,442
composite factor = 2
2 × 7 × 103 =
2,884
This list continues below...
... This list continues from above
prime factor =
5,894,591
composite factor = 2 × 5,894,591 =
11,789,182
composite factor = 2
2 × 5,894,591 =
23,578,364
composite factor = 7 × 5,894,591 =
41,262,137
composite factor = 2 × 7 × 5,894,591 =
82,524,274
composite factor = 2
2 × 7 × 5,894,591 =
165,048,548
composite factor = 103 × 5,894,591 =
607,142,873
composite factor = 2 × 103 × 5,894,591 =
1,214,285,746
composite factor = 2
2 × 103 × 5,894,591 =
2,428,571,492
composite factor = 7 × 103 × 5,894,591 =
4,250,000,111
composite factor = 2 × 7 × 103 × 5,894,591 =
8,500,000,222
composite factor = 2
2 × 7 × 103 × 5,894,591 =
17,000,000,444
24 factors (divisors)
What times what is 17,000,000,444?
What number multiplied by what number equals 17,000,000,444?
All the combinations of any two natural numbers whose product equals 17,000,000,444.
1 × 17,000,000,444 = 17,000,000,444
2 × 8,500,000,222 = 17,000,000,444
4 × 4,250,000,111 = 17,000,000,444
7 × 2,428,571,492 = 17,000,000,444
14 × 1,214,285,746 = 17,000,000,444
28 × 607,142,873 = 17,000,000,444
103 × 165,048,548 = 17,000,000,444
206 × 82,524,274 = 17,000,000,444
412 × 41,262,137 = 17,000,000,444
721 × 23,578,364 = 17,000,000,444
1,442 × 11,789,182 = 17,000,000,444
2,884 × 5,894,591 = 17,000,000,444
12 unique multiplications The final answer:
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