To find all the divisors of the number 3,568,450:
- 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 3,568,450:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
3,568,450 = 2 × 52 × 23 × 29 × 107
3,568,450 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 3,568,450
- 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
prime factor =
23
composite factor = 5
2 =
25
prime factor =
29
composite factor = 2 × 23 =
46
composite factor = 2 × 5
2 =
50
composite factor = 2 × 29 =
58
prime factor =
107
composite factor = 5 × 23 =
115
composite factor = 5 × 29 =
145
composite factor = 2 × 107 =
214
composite factor = 2 × 5 × 23 =
230
composite factor = 2 × 5 × 29 =
290
composite factor = 5 × 107 =
535
composite factor = 5
2 × 23 =
575
composite factor = 23 × 29 =
667
composite factor = 5
2 × 29 =
725
composite factor = 2 × 5 × 107 =
1,070
composite factor = 2 × 5
2 × 23 =
1,150
composite factor = 2 × 23 × 29 =
1,334
composite factor = 2 × 5
2 × 29 =
1,450
This list continues below...
... This list continues from above
composite factor = 23 × 107 =
2,461
composite factor = 5
2 × 107 =
2,675
composite factor = 29 × 107 =
3,103
composite factor = 5 × 23 × 29 =
3,335
composite factor = 2 × 23 × 107 =
4,922
composite factor = 2 × 5
2 × 107 =
5,350
composite factor = 2 × 29 × 107 =
6,206
composite factor = 2 × 5 × 23 × 29 =
6,670
composite factor = 5 × 23 × 107 =
12,305
composite factor = 5 × 29 × 107 =
15,515
composite factor = 5
2 × 23 × 29 =
16,675
composite factor = 2 × 5 × 23 × 107 =
24,610
composite factor = 2 × 5 × 29 × 107 =
31,030
composite factor = 2 × 5
2 × 23 × 29 =
33,350
composite factor = 5
2 × 23 × 107 =
61,525
composite factor = 23 × 29 × 107 =
71,369
composite factor = 5
2 × 29 × 107 =
77,575
composite factor = 2 × 5
2 × 23 × 107 =
123,050
composite factor = 2 × 23 × 29 × 107 =
142,738
composite factor = 2 × 5
2 × 29 × 107 =
155,150
composite factor = 5 × 23 × 29 × 107 =
356,845
composite factor = 2 × 5 × 23 × 29 × 107 =
713,690
composite factor = 5
2 × 23 × 29 × 107 =
1,784,225
composite factor = 2 × 5
2 × 23 × 29 × 107 =
3,568,450
48 factors (divisors)
What times what is 3,568,450?
What number multiplied by what number equals 3,568,450?
All the combinations of any two natural numbers whose product equals 3,568,450.
1 × 3,568,450 = 3,568,450
2 × 1,784,225 = 3,568,450
5 × 713,690 = 3,568,450
10 × 356,845 = 3,568,450
23 × 155,150 = 3,568,450
25 × 142,738 = 3,568,450
29 × 123,050 = 3,568,450
46 × 77,575 = 3,568,450
50 × 71,369 = 3,568,450
58 × 61,525 = 3,568,450
107 × 33,350 = 3,568,450
115 × 31,030 = 3,568,450
145 × 24,610 = 3,568,450
214 × 16,675 = 3,568,450
230 × 15,515 = 3,568,450
290 × 12,305 = 3,568,450
535 × 6,670 = 3,568,450
575 × 6,206 = 3,568,450
667 × 5,350 = 3,568,450
725 × 4,922 = 3,568,450
1,070 × 3,335 = 3,568,450
1,150 × 3,103 = 3,568,450
1,334 × 2,675 = 3,568,450
1,450 × 2,461 = 3,568,450
24 unique multiplications The final answer:
(scroll down)