To find all the divisors of the number 48,844,820:
- 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 48,844,820:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
48,844,820 = 22 × 5 × 19 × 173 × 743
48,844,820 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 48,844,820
- 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
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 5 =
10
prime factor =
19
composite factor = 2
2 × 5 =
20
composite factor = 2 × 19 =
38
composite factor = 2
2 × 19 =
76
composite factor = 5 × 19 =
95
prime factor =
173
composite factor = 2 × 5 × 19 =
190
composite factor = 2 × 173 =
346
composite factor = 2
2 × 5 × 19 =
380
composite factor = 2
2 × 173 =
692
prime factor =
743
composite factor = 5 × 173 =
865
composite factor = 2 × 743 =
1,486
composite factor = 2 × 5 × 173 =
1,730
composite factor = 2
2 × 743 =
2,972
composite factor = 19 × 173 =
3,287
composite factor = 2
2 × 5 × 173 =
3,460
composite factor = 5 × 743 =
3,715
composite factor = 2 × 19 × 173 =
6,574
This list continues below...
... This list continues from above
composite factor = 2 × 5 × 743 =
7,430
composite factor = 2
2 × 19 × 173 =
13,148
composite factor = 19 × 743 =
14,117
composite factor = 2
2 × 5 × 743 =
14,860
composite factor = 5 × 19 × 173 =
16,435
composite factor = 2 × 19 × 743 =
28,234
composite factor = 2 × 5 × 19 × 173 =
32,870
composite factor = 2
2 × 19 × 743 =
56,468
composite factor = 2
2 × 5 × 19 × 173 =
65,740
composite factor = 5 × 19 × 743 =
70,585
composite factor = 173 × 743 =
128,539
composite factor = 2 × 5 × 19 × 743 =
141,170
composite factor = 2 × 173 × 743 =
257,078
composite factor = 2
2 × 5 × 19 × 743 =
282,340
composite factor = 2
2 × 173 × 743 =
514,156
composite factor = 5 × 173 × 743 =
642,695
composite factor = 2 × 5 × 173 × 743 =
1,285,390
composite factor = 19 × 173 × 743 =
2,442,241
composite factor = 2
2 × 5 × 173 × 743 =
2,570,780
composite factor = 2 × 19 × 173 × 743 =
4,884,482
composite factor = 2
2 × 19 × 173 × 743 =
9,768,964
composite factor = 5 × 19 × 173 × 743 =
12,211,205
composite factor = 2 × 5 × 19 × 173 × 743 =
24,422,410
composite factor = 2
2 × 5 × 19 × 173 × 743 =
48,844,820
48 factors (divisors)
What times what is 48,844,820?
What number multiplied by what number equals 48,844,820?
All the combinations of any two natural numbers whose product equals 48,844,820.
1 × 48,844,820 = 48,844,820
2 × 24,422,410 = 48,844,820
4 × 12,211,205 = 48,844,820
5 × 9,768,964 = 48,844,820
10 × 4,884,482 = 48,844,820
19 × 2,570,780 = 48,844,820
20 × 2,442,241 = 48,844,820
38 × 1,285,390 = 48,844,820
76 × 642,695 = 48,844,820
95 × 514,156 = 48,844,820
173 × 282,340 = 48,844,820
190 × 257,078 = 48,844,820
346 × 141,170 = 48,844,820
380 × 128,539 = 48,844,820
692 × 70,585 = 48,844,820
743 × 65,740 = 48,844,820
865 × 56,468 = 48,844,820
1,486 × 32,870 = 48,844,820
1,730 × 28,234 = 48,844,820
2,972 × 16,435 = 48,844,820
3,287 × 14,860 = 48,844,820
3,460 × 14,117 = 48,844,820
3,715 × 13,148 = 48,844,820
6,574 × 7,430 = 48,844,820
24 unique multiplications The final answer:
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