To find all the divisors of the number 3,385,125:
- 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 3,385,125:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
3,385,125 = 33 × 53 × 17 × 59
3,385,125 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 = (3 + 1) × (3 + 1) × (1 + 1) × (1 + 1) = 4 × 4 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 3,385,125
- 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 =
3
prime factor =
5
composite factor = 3
2 =
9
composite factor = 3 × 5 =
15
prime factor =
17
composite factor = 5
2 =
25
composite factor = 3
3 =
27
composite factor = 3
2 × 5 =
45
composite factor = 3 × 17 =
51
prime factor =
59
composite factor = 3 × 5
2 =
75
composite factor = 5 × 17 =
85
composite factor = 5
3 =
125
composite factor = 3
3 × 5 =
135
composite factor = 3
2 × 17 =
153
composite factor = 3 × 59 =
177
composite factor = 3
2 × 5
2 =
225
composite factor = 3 × 5 × 17 =
255
composite factor = 5 × 59 =
295
composite factor = 3 × 5
3 =
375
composite factor = 5
2 × 17 =
425
composite factor = 3
3 × 17 =
459
composite factor = 3
2 × 59 =
531
composite factor = 3
3 × 5
2 =
675
composite factor = 3
2 × 5 × 17 =
765
composite factor = 3 × 5 × 59 =
885
composite factor = 17 × 59 =
1,003
composite factor = 3
2 × 5
3 =
1,125
composite factor = 3 × 5
2 × 17 =
1,275
composite factor = 5
2 × 59 =
1,475
composite factor = 3
3 × 59 =
1,593
This list continues below...
... This list continues from above
composite factor = 5
3 × 17 =
2,125
composite factor = 3
3 × 5 × 17 =
2,295
composite factor = 3
2 × 5 × 59 =
2,655
composite factor = 3 × 17 × 59 =
3,009
composite factor = 3
3 × 5
3 =
3,375
composite factor = 3
2 × 5
2 × 17 =
3,825
composite factor = 3 × 5
2 × 59 =
4,425
composite factor = 5 × 17 × 59 =
5,015
composite factor = 3 × 5
3 × 17 =
6,375
composite factor = 5
3 × 59 =
7,375
composite factor = 3
3 × 5 × 59 =
7,965
composite factor = 3
2 × 17 × 59 =
9,027
composite factor = 3
3 × 5
2 × 17 =
11,475
composite factor = 3
2 × 5
2 × 59 =
13,275
composite factor = 3 × 5 × 17 × 59 =
15,045
composite factor = 3
2 × 5
3 × 17 =
19,125
composite factor = 3 × 5
3 × 59 =
22,125
composite factor = 5
2 × 17 × 59 =
25,075
composite factor = 3
3 × 17 × 59 =
27,081
composite factor = 3
3 × 5
2 × 59 =
39,825
composite factor = 3
2 × 5 × 17 × 59 =
45,135
composite factor = 3
3 × 5
3 × 17 =
57,375
composite factor = 3
2 × 5
3 × 59 =
66,375
composite factor = 3 × 5
2 × 17 × 59 =
75,225
composite factor = 5
3 × 17 × 59 =
125,375
composite factor = 3
3 × 5 × 17 × 59 =
135,405
composite factor = 3
3 × 5
3 × 59 =
199,125
composite factor = 3
2 × 5
2 × 17 × 59 =
225,675
composite factor = 3 × 5
3 × 17 × 59 =
376,125
composite factor = 3
3 × 5
2 × 17 × 59 =
677,025
composite factor = 3
2 × 5
3 × 17 × 59 =
1,128,375
composite factor = 3
3 × 5
3 × 17 × 59 =
3,385,125
64 factors (divisors)
What times what is 3,385,125?
What number multiplied by what number equals 3,385,125?
All the combinations of any two natural numbers whose product equals 3,385,125.
1 × 3,385,125 = 3,385,125
3 × 1,128,375 = 3,385,125
5 × 677,025 = 3,385,125
9 × 376,125 = 3,385,125
15 × 225,675 = 3,385,125
17 × 199,125 = 3,385,125
25 × 135,405 = 3,385,125
27 × 125,375 = 3,385,125
45 × 75,225 = 3,385,125
51 × 66,375 = 3,385,125
59 × 57,375 = 3,385,125
75 × 45,135 = 3,385,125
85 × 39,825 = 3,385,125
125 × 27,081 = 3,385,125
135 × 25,075 = 3,385,125
153 × 22,125 = 3,385,125
177 × 19,125 = 3,385,125
225 × 15,045 = 3,385,125
255 × 13,275 = 3,385,125
295 × 11,475 = 3,385,125
375 × 9,027 = 3,385,125
425 × 7,965 = 3,385,125
459 × 7,375 = 3,385,125
531 × 6,375 = 3,385,125
675 × 5,015 = 3,385,125
765 × 4,425 = 3,385,125
885 × 3,825 = 3,385,125
1,003 × 3,375 = 3,385,125
1,125 × 3,009 = 3,385,125
1,275 × 2,655 = 3,385,125
1,475 × 2,295 = 3,385,125
1,593 × 2,125 = 3,385,125
32 unique multiplications The final answer:
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