To find all the divisors of the number 428,210,436:
- 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 428,210,436:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
428,210,436 = 22 × 3 × 59 × 349 × 1,733
428,210,436 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 428,210,436
- 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
2 × 3 =
12
prime factor =
59
composite factor = 2 × 59 =
118
composite factor = 3 × 59 =
177
composite factor = 2
2 × 59 =
236
prime factor =
349
composite factor = 2 × 3 × 59 =
354
composite factor = 2 × 349 =
698
composite factor = 2
2 × 3 × 59 =
708
composite factor = 3 × 349 =
1,047
composite factor = 2
2 × 349 =
1,396
prime factor =
1,733
composite factor = 2 × 3 × 349 =
2,094
composite factor = 2 × 1,733 =
3,466
composite factor = 2
2 × 3 × 349 =
4,188
composite factor = 3 × 1,733 =
5,199
composite factor = 2
2 × 1,733 =
6,932
composite factor = 2 × 3 × 1,733 =
10,398
composite factor = 59 × 349 =
20,591
This list continues below...
... This list continues from above
composite factor = 2
2 × 3 × 1,733 =
20,796
composite factor = 2 × 59 × 349 =
41,182
composite factor = 3 × 59 × 349 =
61,773
composite factor = 2
2 × 59 × 349 =
82,364
composite factor = 59 × 1,733 =
102,247
composite factor = 2 × 3 × 59 × 349 =
123,546
composite factor = 2 × 59 × 1,733 =
204,494
composite factor = 2
2 × 3 × 59 × 349 =
247,092
composite factor = 3 × 59 × 1,733 =
306,741
composite factor = 2
2 × 59 × 1,733 =
408,988
composite factor = 349 × 1,733 =
604,817
composite factor = 2 × 3 × 59 × 1,733 =
613,482
composite factor = 2 × 349 × 1,733 =
1,209,634
composite factor = 2
2 × 3 × 59 × 1,733 =
1,226,964
composite factor = 3 × 349 × 1,733 =
1,814,451
composite factor = 2
2 × 349 × 1,733 =
2,419,268
composite factor = 2 × 3 × 349 × 1,733 =
3,628,902
composite factor = 2
2 × 3 × 349 × 1,733 =
7,257,804
composite factor = 59 × 349 × 1,733 =
35,684,203
composite factor = 2 × 59 × 349 × 1,733 =
71,368,406
composite factor = 3 × 59 × 349 × 1,733 =
107,052,609
composite factor = 2
2 × 59 × 349 × 1,733 =
142,736,812
composite factor = 2 × 3 × 59 × 349 × 1,733 =
214,105,218
composite factor = 2
2 × 3 × 59 × 349 × 1,733 =
428,210,436
48 factors (divisors)
What times what is 428,210,436?
What number multiplied by what number equals 428,210,436?
All the combinations of any two natural numbers whose product equals 428,210,436.
1 × 428,210,436 = 428,210,436
2 × 214,105,218 = 428,210,436
3 × 142,736,812 = 428,210,436
4 × 107,052,609 = 428,210,436
6 × 71,368,406 = 428,210,436
12 × 35,684,203 = 428,210,436
59 × 7,257,804 = 428,210,436
118 × 3,628,902 = 428,210,436
177 × 2,419,268 = 428,210,436
236 × 1,814,451 = 428,210,436
349 × 1,226,964 = 428,210,436
354 × 1,209,634 = 428,210,436
698 × 613,482 = 428,210,436
708 × 604,817 = 428,210,436
1,047 × 408,988 = 428,210,436
1,396 × 306,741 = 428,210,436
1,733 × 247,092 = 428,210,436
2,094 × 204,494 = 428,210,436
3,466 × 123,546 = 428,210,436
4,188 × 102,247 = 428,210,436
5,199 × 82,364 = 428,210,436
6,932 × 61,773 = 428,210,436
10,398 × 41,182 = 428,210,436
20,591 × 20,796 = 428,210,436
24 unique multiplications The final answer:
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