To find all the divisors of the number 5,000,000,140:
- 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 5,000,000,140:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
5,000,000,140 = 22 × 5 × 131 × 757 × 2,521
5,000,000,140 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 5,000,000,140
- 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
composite factor = 2
2 × 5 =
20
prime factor =
131
composite factor = 2 × 131 =
262
composite factor = 2
2 × 131 =
524
composite factor = 5 × 131 =
655
prime factor =
757
composite factor = 2 × 5 × 131 =
1,310
composite factor = 2 × 757 =
1,514
prime factor =
2,521
composite factor = 2
2 × 5 × 131 =
2,620
composite factor = 2
2 × 757 =
3,028
composite factor = 5 × 757 =
3,785
composite factor = 2 × 2,521 =
5,042
composite factor = 2 × 5 × 757 =
7,570
composite factor = 2
2 × 2,521 =
10,084
composite factor = 5 × 2,521 =
12,605
composite factor = 2
2 × 5 × 757 =
15,140
composite factor = 2 × 5 × 2,521 =
25,210
composite factor = 2
2 × 5 × 2,521 =
50,420
This list continues below...
... This list continues from above
composite factor = 131 × 757 =
99,167
composite factor = 2 × 131 × 757 =
198,334
composite factor = 131 × 2,521 =
330,251
composite factor = 2
2 × 131 × 757 =
396,668
composite factor = 5 × 131 × 757 =
495,835
composite factor = 2 × 131 × 2,521 =
660,502
composite factor = 2 × 5 × 131 × 757 =
991,670
composite factor = 2
2 × 131 × 2,521 =
1,321,004
composite factor = 5 × 131 × 2,521 =
1,651,255
composite factor = 757 × 2,521 =
1,908,397
composite factor = 2
2 × 5 × 131 × 757 =
1,983,340
composite factor = 2 × 5 × 131 × 2,521 =
3,302,510
composite factor = 2 × 757 × 2,521 =
3,816,794
composite factor = 2
2 × 5 × 131 × 2,521 =
6,605,020
composite factor = 2
2 × 757 × 2,521 =
7,633,588
composite factor = 5 × 757 × 2,521 =
9,541,985
composite factor = 2 × 5 × 757 × 2,521 =
19,083,970
composite factor = 2
2 × 5 × 757 × 2,521 =
38,167,940
composite factor = 131 × 757 × 2,521 =
250,000,007
composite factor = 2 × 131 × 757 × 2,521 =
500,000,014
composite factor = 2
2 × 131 × 757 × 2,521 =
1,000,000,028
composite factor = 5 × 131 × 757 × 2,521 =
1,250,000,035
composite factor = 2 × 5 × 131 × 757 × 2,521 =
2,500,000,070
composite factor = 2
2 × 5 × 131 × 757 × 2,521 =
5,000,000,140
48 factors (divisors)
What times what is 5,000,000,140?
What number multiplied by what number equals 5,000,000,140?
All the combinations of any two natural numbers whose product equals 5,000,000,140.
1 × 5,000,000,140 = 5,000,000,140
2 × 2,500,000,070 = 5,000,000,140
4 × 1,250,000,035 = 5,000,000,140
5 × 1,000,000,028 = 5,000,000,140
10 × 500,000,014 = 5,000,000,140
20 × 250,000,007 = 5,000,000,140
131 × 38,167,940 = 5,000,000,140
262 × 19,083,970 = 5,000,000,140
524 × 9,541,985 = 5,000,000,140
655 × 7,633,588 = 5,000,000,140
757 × 6,605,020 = 5,000,000,140
1,310 × 3,816,794 = 5,000,000,140
1,514 × 3,302,510 = 5,000,000,140
2,521 × 1,983,340 = 5,000,000,140
2,620 × 1,908,397 = 5,000,000,140
3,028 × 1,651,255 = 5,000,000,140
3,785 × 1,321,004 = 5,000,000,140
5,042 × 991,670 = 5,000,000,140
7,570 × 660,502 = 5,000,000,140
10,084 × 495,835 = 5,000,000,140
12,605 × 396,668 = 5,000,000,140
15,140 × 330,251 = 5,000,000,140
25,210 × 198,334 = 5,000,000,140
50,420 × 99,167 = 5,000,000,140
24 unique multiplications The final answer:
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