To find all the divisors of the number 590,205:
- 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 590,205:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
590,205 = 3 × 5 × 72 × 11 × 73
590,205 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 590,205
- 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
prime factor =
7
prime factor =
11
composite factor = 3 × 5 =
15
composite factor = 3 × 7 =
21
composite factor = 3 × 11 =
33
composite factor = 5 × 7 =
35
composite factor = 7
2 =
49
composite factor = 5 × 11 =
55
prime factor =
73
composite factor = 7 × 11 =
77
composite factor = 3 × 5 × 7 =
105
composite factor = 3 × 7
2 =
147
composite factor = 3 × 5 × 11 =
165
composite factor = 3 × 73 =
219
composite factor = 3 × 7 × 11 =
231
composite factor = 5 × 7
2 =
245
composite factor = 5 × 73 =
365
composite factor = 5 × 7 × 11 =
385
composite factor = 7 × 73 =
511
composite factor = 7
2 × 11 =
539
composite factor = 3 × 5 × 7
2 =
735
This list continues below...
... This list continues from above
composite factor = 11 × 73 =
803
composite factor = 3 × 5 × 73 =
1,095
composite factor = 3 × 5 × 7 × 11 =
1,155
composite factor = 3 × 7 × 73 =
1,533
composite factor = 3 × 7
2 × 11 =
1,617
composite factor = 3 × 11 × 73 =
2,409
composite factor = 5 × 7 × 73 =
2,555
composite factor = 5 × 7
2 × 11 =
2,695
composite factor = 7
2 × 73 =
3,577
composite factor = 5 × 11 × 73 =
4,015
composite factor = 7 × 11 × 73 =
5,621
composite factor = 3 × 5 × 7 × 73 =
7,665
composite factor = 3 × 5 × 7
2 × 11 =
8,085
composite factor = 3 × 7
2 × 73 =
10,731
composite factor = 3 × 5 × 11 × 73 =
12,045
composite factor = 3 × 7 × 11 × 73 =
16,863
composite factor = 5 × 7
2 × 73 =
17,885
composite factor = 5 × 7 × 11 × 73 =
28,105
composite factor = 7
2 × 11 × 73 =
39,347
composite factor = 3 × 5 × 7
2 × 73 =
53,655
composite factor = 3 × 5 × 7 × 11 × 73 =
84,315
composite factor = 3 × 7
2 × 11 × 73 =
118,041
composite factor = 5 × 7
2 × 11 × 73 =
196,735
composite factor = 3 × 5 × 7
2 × 11 × 73 =
590,205
48 factors (divisors)
What times what is 590,205?
What number multiplied by what number equals 590,205?
All the combinations of any two natural numbers whose product equals 590,205.
1 × 590,205 = 590,205
3 × 196,735 = 590,205
5 × 118,041 = 590,205
7 × 84,315 = 590,205
11 × 53,655 = 590,205
15 × 39,347 = 590,205
21 × 28,105 = 590,205
33 × 17,885 = 590,205
35 × 16,863 = 590,205
49 × 12,045 = 590,205
55 × 10,731 = 590,205
73 × 8,085 = 590,205
77 × 7,665 = 590,205
105 × 5,621 = 590,205
147 × 4,015 = 590,205
165 × 3,577 = 590,205
219 × 2,695 = 590,205
231 × 2,555 = 590,205
245 × 2,409 = 590,205
365 × 1,617 = 590,205
385 × 1,533 = 590,205
511 × 1,155 = 590,205
539 × 1,095 = 590,205
735 × 803 = 590,205
24 unique multiplications The final answer:
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