To find all the divisors of the number 800,124:
- 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 800,124:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
800,124 = 22 × 3 × 13 × 23 × 223
800,124 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 800,124
- 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 =
13
prime factor =
23
composite factor = 2 × 13 =
26
composite factor = 3 × 13 =
39
composite factor = 2 × 23 =
46
composite factor = 2
2 × 13 =
52
composite factor = 3 × 23 =
69
composite factor = 2 × 3 × 13 =
78
composite factor = 2
2 × 23 =
92
composite factor = 2 × 3 × 23 =
138
composite factor = 2
2 × 3 × 13 =
156
prime factor =
223
composite factor = 2
2 × 3 × 23 =
276
composite factor = 13 × 23 =
299
composite factor = 2 × 223 =
446
composite factor = 2 × 13 × 23 =
598
composite factor = 3 × 223 =
669
composite factor = 2
2 × 223 =
892
This list continues below...
... This list continues from above
composite factor = 3 × 13 × 23 =
897
composite factor = 2
2 × 13 × 23 =
1,196
composite factor = 2 × 3 × 223 =
1,338
composite factor = 2 × 3 × 13 × 23 =
1,794
composite factor = 2
2 × 3 × 223 =
2,676
composite factor = 13 × 223 =
2,899
composite factor = 2
2 × 3 × 13 × 23 =
3,588
composite factor = 23 × 223 =
5,129
composite factor = 2 × 13 × 223 =
5,798
composite factor = 3 × 13 × 223 =
8,697
composite factor = 2 × 23 × 223 =
10,258
composite factor = 2
2 × 13 × 223 =
11,596
composite factor = 3 × 23 × 223 =
15,387
composite factor = 2 × 3 × 13 × 223 =
17,394
composite factor = 2
2 × 23 × 223 =
20,516
composite factor = 2 × 3 × 23 × 223 =
30,774
composite factor = 2
2 × 3 × 13 × 223 =
34,788
composite factor = 2
2 × 3 × 23 × 223 =
61,548
composite factor = 13 × 23 × 223 =
66,677
composite factor = 2 × 13 × 23 × 223 =
133,354
composite factor = 3 × 13 × 23 × 223 =
200,031
composite factor = 2
2 × 13 × 23 × 223 =
266,708
composite factor = 2 × 3 × 13 × 23 × 223 =
400,062
composite factor = 2
2 × 3 × 13 × 23 × 223 =
800,124
48 factors (divisors)
What times what is 800,124?
What number multiplied by what number equals 800,124?
All the combinations of any two natural numbers whose product equals 800,124.
1 × 800,124 = 800,124
2 × 400,062 = 800,124
3 × 266,708 = 800,124
4 × 200,031 = 800,124
6 × 133,354 = 800,124
12 × 66,677 = 800,124
13 × 61,548 = 800,124
23 × 34,788 = 800,124
26 × 30,774 = 800,124
39 × 20,516 = 800,124
46 × 17,394 = 800,124
52 × 15,387 = 800,124
69 × 11,596 = 800,124
78 × 10,258 = 800,124
92 × 8,697 = 800,124
138 × 5,798 = 800,124
156 × 5,129 = 800,124
223 × 3,588 = 800,124
276 × 2,899 = 800,124
299 × 2,676 = 800,124
446 × 1,794 = 800,124
598 × 1,338 = 800,124
669 × 1,196 = 800,124
892 × 897 = 800,124
24 unique multiplications The final answer:
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