To find all the divisors of the number 3,382,950:
- 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 3,382,950:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
3,382,950 = 2 × 3 × 52 × 19 × 1,187
3,382,950 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) × (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 3,382,950
- 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 =
3
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2 × 5 =
10
composite factor = 3 × 5 =
15
prime factor =
19
composite factor = 5
2 =
25
composite factor = 2 × 3 × 5 =
30
composite factor = 2 × 19 =
38
composite factor = 2 × 5
2 =
50
composite factor = 3 × 19 =
57
composite factor = 3 × 5
2 =
75
composite factor = 5 × 19 =
95
composite factor = 2 × 3 × 19 =
114
composite factor = 2 × 3 × 5
2 =
150
composite factor = 2 × 5 × 19 =
190
composite factor = 3 × 5 × 19 =
285
composite factor = 5
2 × 19 =
475
composite factor = 2 × 3 × 5 × 19 =
570
composite factor = 2 × 5
2 × 19 =
950
prime factor =
1,187
composite factor = 3 × 5
2 × 19 =
1,425
This list continues below...
... This list continues from above
composite factor = 2 × 1,187 =
2,374
composite factor = 2 × 3 × 5
2 × 19 =
2,850
composite factor = 3 × 1,187 =
3,561
composite factor = 5 × 1,187 =
5,935
composite factor = 2 × 3 × 1,187 =
7,122
composite factor = 2 × 5 × 1,187 =
11,870
composite factor = 3 × 5 × 1,187 =
17,805
composite factor = 19 × 1,187 =
22,553
composite factor = 5
2 × 1,187 =
29,675
composite factor = 2 × 3 × 5 × 1,187 =
35,610
composite factor = 2 × 19 × 1,187 =
45,106
composite factor = 2 × 5
2 × 1,187 =
59,350
composite factor = 3 × 19 × 1,187 =
67,659
composite factor = 3 × 5
2 × 1,187 =
89,025
composite factor = 5 × 19 × 1,187 =
112,765
composite factor = 2 × 3 × 19 × 1,187 =
135,318
composite factor = 2 × 3 × 5
2 × 1,187 =
178,050
composite factor = 2 × 5 × 19 × 1,187 =
225,530
composite factor = 3 × 5 × 19 × 1,187 =
338,295
composite factor = 5
2 × 19 × 1,187 =
563,825
composite factor = 2 × 3 × 5 × 19 × 1,187 =
676,590
composite factor = 2 × 5
2 × 19 × 1,187 =
1,127,650
composite factor = 3 × 5
2 × 19 × 1,187 =
1,691,475
composite factor = 2 × 3 × 5
2 × 19 × 1,187 =
3,382,950
48 factors (divisors)
What times what is 3,382,950?
What number multiplied by what number equals 3,382,950?
All the combinations of any two natural numbers whose product equals 3,382,950.
1 × 3,382,950 = 3,382,950
2 × 1,691,475 = 3,382,950
3 × 1,127,650 = 3,382,950
5 × 676,590 = 3,382,950
6 × 563,825 = 3,382,950
10 × 338,295 = 3,382,950
15 × 225,530 = 3,382,950
19 × 178,050 = 3,382,950
25 × 135,318 = 3,382,950
30 × 112,765 = 3,382,950
38 × 89,025 = 3,382,950
50 × 67,659 = 3,382,950
57 × 59,350 = 3,382,950
75 × 45,106 = 3,382,950
95 × 35,610 = 3,382,950
114 × 29,675 = 3,382,950
150 × 22,553 = 3,382,950
190 × 17,805 = 3,382,950
285 × 11,870 = 3,382,950
475 × 7,122 = 3,382,950
570 × 5,935 = 3,382,950
950 × 3,561 = 3,382,950
1,187 × 2,850 = 3,382,950
1,425 × 2,374 = 3,382,950
24 unique multiplications The final answer:
(scroll down)