To find all the divisors of the number 7,400,000,010:
- 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 7,400,000,010:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
7,400,000,010 = 2 × 3 × 5 × 13 × 3,779 × 5,021
7,400,000,010 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 = (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 7,400,000,010
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- 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
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2 × 5 =
10
prime factor =
13
composite factor = 3 × 5 =
15
composite factor = 2 × 13 =
26
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 13 =
39
composite factor = 5 × 13 =
65
composite factor = 2 × 3 × 13 =
78
composite factor = 2 × 5 × 13 =
130
composite factor = 3 × 5 × 13 =
195
composite factor = 2 × 3 × 5 × 13 =
390
prime factor =
3,779
prime factor =
5,021
composite factor = 2 × 3,779 =
7,558
composite factor = 2 × 5,021 =
10,042
composite factor = 3 × 3,779 =
11,337
composite factor = 3 × 5,021 =
15,063
composite factor = 5 × 3,779 =
18,895
composite factor = 2 × 3 × 3,779 =
22,674
composite factor = 5 × 5,021 =
25,105
composite factor = 2 × 3 × 5,021 =
30,126
composite factor = 2 × 5 × 3,779 =
37,790
composite factor = 13 × 3,779 =
49,127
composite factor = 2 × 5 × 5,021 =
50,210
composite factor = 3 × 5 × 3,779 =
56,685
composite factor = 13 × 5,021 =
65,273
composite factor = 3 × 5 × 5,021 =
75,315
This list continues below...
... This list continues from above
composite factor = 2 × 13 × 3,779 =
98,254
composite factor = 2 × 3 × 5 × 3,779 =
113,370
composite factor = 2 × 13 × 5,021 =
130,546
composite factor = 3 × 13 × 3,779 =
147,381
composite factor = 2 × 3 × 5 × 5,021 =
150,630
composite factor = 3 × 13 × 5,021 =
195,819
composite factor = 5 × 13 × 3,779 =
245,635
composite factor = 2 × 3 × 13 × 3,779 =
294,762
composite factor = 5 × 13 × 5,021 =
326,365
composite factor = 2 × 3 × 13 × 5,021 =
391,638
composite factor = 2 × 5 × 13 × 3,779 =
491,270
composite factor = 2 × 5 × 13 × 5,021 =
652,730
composite factor = 3 × 5 × 13 × 3,779 =
736,905
composite factor = 3 × 5 × 13 × 5,021 =
979,095
composite factor = 2 × 3 × 5 × 13 × 3,779 =
1,473,810
composite factor = 2 × 3 × 5 × 13 × 5,021 =
1,958,190
composite factor = 3,779 × 5,021 =
18,974,359
composite factor = 2 × 3,779 × 5,021 =
37,948,718
composite factor = 3 × 3,779 × 5,021 =
56,923,077
composite factor = 5 × 3,779 × 5,021 =
94,871,795
composite factor = 2 × 3 × 3,779 × 5,021 =
113,846,154
composite factor = 2 × 5 × 3,779 × 5,021 =
189,743,590
composite factor = 13 × 3,779 × 5,021 =
246,666,667
composite factor = 3 × 5 × 3,779 × 5,021 =
284,615,385
composite factor = 2 × 13 × 3,779 × 5,021 =
493,333,334
composite factor = 2 × 3 × 5 × 3,779 × 5,021 =
569,230,770
composite factor = 3 × 13 × 3,779 × 5,021 =
740,000,001
composite factor = 5 × 13 × 3,779 × 5,021 =
1,233,333,335
composite factor = 2 × 3 × 13 × 3,779 × 5,021 =
1,480,000,002
composite factor = 2 × 5 × 13 × 3,779 × 5,021 =
2,466,666,670
composite factor = 3 × 5 × 13 × 3,779 × 5,021 =
3,700,000,005
composite factor = 2 × 3 × 5 × 13 × 3,779 × 5,021 =
7,400,000,010
64 factors (divisors)
What times what is 7,400,000,010?
What number multiplied by what number equals 7,400,000,010?
All the combinations of any two natural numbers whose product equals 7,400,000,010.
1 × 7,400,000,010 = 7,400,000,010
2 × 3,700,000,005 = 7,400,000,010
3 × 2,466,666,670 = 7,400,000,010
5 × 1,480,000,002 = 7,400,000,010
6 × 1,233,333,335 = 7,400,000,010
10 × 740,000,001 = 7,400,000,010
13 × 569,230,770 = 7,400,000,010
15 × 493,333,334 = 7,400,000,010
26 × 284,615,385 = 7,400,000,010
30 × 246,666,667 = 7,400,000,010
39 × 189,743,590 = 7,400,000,010
65 × 113,846,154 = 7,400,000,010
78 × 94,871,795 = 7,400,000,010
130 × 56,923,077 = 7,400,000,010
195 × 37,948,718 = 7,400,000,010
390 × 18,974,359 = 7,400,000,010
3,779 × 1,958,190 = 7,400,000,010
5,021 × 1,473,810 = 7,400,000,010
7,558 × 979,095 = 7,400,000,010
10,042 × 736,905 = 7,400,000,010
11,337 × 652,730 = 7,400,000,010
15,063 × 491,270 = 7,400,000,010
18,895 × 391,638 = 7,400,000,010
22,674 × 326,365 = 7,400,000,010
25,105 × 294,762 = 7,400,000,010
30,126 × 245,635 = 7,400,000,010
37,790 × 195,819 = 7,400,000,010
49,127 × 150,630 = 7,400,000,010
50,210 × 147,381 = 7,400,000,010
56,685 × 130,546 = 7,400,000,010
65,273 × 113,370 = 7,400,000,010
75,315 × 98,254 = 7,400,000,010
32 unique multiplications The final answer:
(scroll down)