To find all the divisors of the number 258,264:
- 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 258,264:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
258,264 = 23 × 32 × 17 × 211
258,264 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) × (2 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 258,264
- 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
composite factor = 2
2 =
4
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
prime factor =
17
composite factor = 2 × 3
2 =
18
composite factor = 2
3 × 3 =
24
composite factor = 2 × 17 =
34
composite factor = 2
2 × 3
2 =
36
composite factor = 3 × 17 =
51
composite factor = 2
2 × 17 =
68
composite factor = 2
3 × 3
2 =
72
composite factor = 2 × 3 × 17 =
102
composite factor = 2
3 × 17 =
136
composite factor = 3
2 × 17 =
153
composite factor = 2
2 × 3 × 17 =
204
prime factor =
211
composite factor = 2 × 3
2 × 17 =
306
composite factor = 2
3 × 3 × 17 =
408
composite factor = 2 × 211 =
422
This list continues below...
... This list continues from above
composite factor = 2
2 × 3
2 × 17 =
612
composite factor = 3 × 211 =
633
composite factor = 2
2 × 211 =
844
composite factor = 2
3 × 3
2 × 17 =
1,224
composite factor = 2 × 3 × 211 =
1,266
composite factor = 2
3 × 211 =
1,688
composite factor = 3
2 × 211 =
1,899
composite factor = 2
2 × 3 × 211 =
2,532
composite factor = 17 × 211 =
3,587
composite factor = 2 × 3
2 × 211 =
3,798
composite factor = 2
3 × 3 × 211 =
5,064
composite factor = 2 × 17 × 211 =
7,174
composite factor = 2
2 × 3
2 × 211 =
7,596
composite factor = 3 × 17 × 211 =
10,761
composite factor = 2
2 × 17 × 211 =
14,348
composite factor = 2
3 × 3
2 × 211 =
15,192
composite factor = 2 × 3 × 17 × 211 =
21,522
composite factor = 2
3 × 17 × 211 =
28,696
composite factor = 3
2 × 17 × 211 =
32,283
composite factor = 2
2 × 3 × 17 × 211 =
43,044
composite factor = 2 × 3
2 × 17 × 211 =
64,566
composite factor = 2
3 × 3 × 17 × 211 =
86,088
composite factor = 2
2 × 3
2 × 17 × 211 =
129,132
composite factor = 2
3 × 3
2 × 17 × 211 =
258,264
48 factors (divisors)
What times what is 258,264?
What number multiplied by what number equals 258,264?
All the combinations of any two natural numbers whose product equals 258,264.
1 × 258,264 = 258,264
2 × 129,132 = 258,264
3 × 86,088 = 258,264
4 × 64,566 = 258,264
6 × 43,044 = 258,264
8 × 32,283 = 258,264
9 × 28,696 = 258,264
12 × 21,522 = 258,264
17 × 15,192 = 258,264
18 × 14,348 = 258,264
24 × 10,761 = 258,264
34 × 7,596 = 258,264
36 × 7,174 = 258,264
51 × 5,064 = 258,264
68 × 3,798 = 258,264
72 × 3,587 = 258,264
102 × 2,532 = 258,264
136 × 1,899 = 258,264
153 × 1,688 = 258,264
204 × 1,266 = 258,264
211 × 1,224 = 258,264
306 × 844 = 258,264
408 × 633 = 258,264
422 × 612 = 258,264
24 unique multiplications The final answer:
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