To find all the divisors of the number 434,460:
- 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 434,460:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
434,460 = 22 × 3 × 5 × 13 × 557
434,460 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 = (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 434,460
- 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
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
prime factor =
13
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2 × 13 =
26
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 13 =
39
composite factor = 2
2 × 13 =
52
composite factor = 2
2 × 3 × 5 =
60
composite factor = 5 × 13 =
65
composite factor = 2 × 3 × 13 =
78
composite factor = 2 × 5 × 13 =
130
composite factor = 2
2 × 3 × 13 =
156
composite factor = 3 × 5 × 13 =
195
composite factor = 2
2 × 5 × 13 =
260
composite factor = 2 × 3 × 5 × 13 =
390
prime factor =
557
This list continues below...
... This list continues from above
composite factor = 2
2 × 3 × 5 × 13 =
780
composite factor = 2 × 557 =
1,114
composite factor = 3 × 557 =
1,671
composite factor = 2
2 × 557 =
2,228
composite factor = 5 × 557 =
2,785
composite factor = 2 × 3 × 557 =
3,342
composite factor = 2 × 5 × 557 =
5,570
composite factor = 2
2 × 3 × 557 =
6,684
composite factor = 13 × 557 =
7,241
composite factor = 3 × 5 × 557 =
8,355
composite factor = 2
2 × 5 × 557 =
11,140
composite factor = 2 × 13 × 557 =
14,482
composite factor = 2 × 3 × 5 × 557 =
16,710
composite factor = 3 × 13 × 557 =
21,723
composite factor = 2
2 × 13 × 557 =
28,964
composite factor = 2
2 × 3 × 5 × 557 =
33,420
composite factor = 5 × 13 × 557 =
36,205
composite factor = 2 × 3 × 13 × 557 =
43,446
composite factor = 2 × 5 × 13 × 557 =
72,410
composite factor = 2
2 × 3 × 13 × 557 =
86,892
composite factor = 3 × 5 × 13 × 557 =
108,615
composite factor = 2
2 × 5 × 13 × 557 =
144,820
composite factor = 2 × 3 × 5 × 13 × 557 =
217,230
composite factor = 2
2 × 3 × 5 × 13 × 557 =
434,460
48 factors (divisors)
What times what is 434,460?
What number multiplied by what number equals 434,460?
All the combinations of any two natural numbers whose product equals 434,460.
1 × 434,460 = 434,460
2 × 217,230 = 434,460
3 × 144,820 = 434,460
4 × 108,615 = 434,460
5 × 86,892 = 434,460
6 × 72,410 = 434,460
10 × 43,446 = 434,460
12 × 36,205 = 434,460
13 × 33,420 = 434,460
15 × 28,964 = 434,460
20 × 21,723 = 434,460
26 × 16,710 = 434,460
30 × 14,482 = 434,460
39 × 11,140 = 434,460
52 × 8,355 = 434,460
60 × 7,241 = 434,460
65 × 6,684 = 434,460
78 × 5,570 = 434,460
130 × 3,342 = 434,460
156 × 2,785 = 434,460
195 × 2,228 = 434,460
260 × 1,671 = 434,460
390 × 1,114 = 434,460
557 × 780 = 434,460
24 unique multiplications The final answer:
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