To find all the divisors of the number 7,400,000,050:
- 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 7,400,000,050:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
7,400,000,050 = 2 × 52 × 131 × 947 × 1,193
7,400,000,050 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) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 7,400,000,050
- 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 =
5
composite factor = 2 × 5 =
10
composite factor = 5
2 =
25
composite factor = 2 × 5
2 =
50
prime factor =
131
composite factor = 2 × 131 =
262
composite factor = 5 × 131 =
655
prime factor =
947
prime factor =
1,193
composite factor = 2 × 5 × 131 =
1,310
composite factor = 2 × 947 =
1,894
composite factor = 2 × 1,193 =
2,386
composite factor = 5
2 × 131 =
3,275
composite factor = 5 × 947 =
4,735
composite factor = 5 × 1,193 =
5,965
composite factor = 2 × 5
2 × 131 =
6,550
composite factor = 2 × 5 × 947 =
9,470
composite factor = 2 × 5 × 1,193 =
11,930
composite factor = 5
2 × 947 =
23,675
composite factor = 5
2 × 1,193 =
29,825
composite factor = 2 × 5
2 × 947 =
47,350
composite factor = 2 × 5
2 × 1,193 =
59,650
This list continues below...
... This list continues from above
composite factor = 131 × 947 =
124,057
composite factor = 131 × 1,193 =
156,283
composite factor = 2 × 131 × 947 =
248,114
composite factor = 2 × 131 × 1,193 =
312,566
composite factor = 5 × 131 × 947 =
620,285
composite factor = 5 × 131 × 1,193 =
781,415
composite factor = 947 × 1,193 =
1,129,771
composite factor = 2 × 5 × 131 × 947 =
1,240,570
composite factor = 2 × 5 × 131 × 1,193 =
1,562,830
composite factor = 2 × 947 × 1,193 =
2,259,542
composite factor = 5
2 × 131 × 947 =
3,101,425
composite factor = 5
2 × 131 × 1,193 =
3,907,075
composite factor = 5 × 947 × 1,193 =
5,648,855
composite factor = 2 × 5
2 × 131 × 947 =
6,202,850
composite factor = 2 × 5
2 × 131 × 1,193 =
7,814,150
composite factor = 2 × 5 × 947 × 1,193 =
11,297,710
composite factor = 5
2 × 947 × 1,193 =
28,244,275
composite factor = 2 × 5
2 × 947 × 1,193 =
56,488,550
composite factor = 131 × 947 × 1,193 =
148,000,001
composite factor = 2 × 131 × 947 × 1,193 =
296,000,002
composite factor = 5 × 131 × 947 × 1,193 =
740,000,005
composite factor = 2 × 5 × 131 × 947 × 1,193 =
1,480,000,010
composite factor = 5
2 × 131 × 947 × 1,193 =
3,700,000,025
composite factor = 2 × 5
2 × 131 × 947 × 1,193 =
7,400,000,050
48 factors (divisors)
What times what is 7,400,000,050?
What number multiplied by what number equals 7,400,000,050?
All the combinations of any two natural numbers whose product equals 7,400,000,050.
1 × 7,400,000,050 = 7,400,000,050
2 × 3,700,000,025 = 7,400,000,050
5 × 1,480,000,010 = 7,400,000,050
10 × 740,000,005 = 7,400,000,050
25 × 296,000,002 = 7,400,000,050
50 × 148,000,001 = 7,400,000,050
131 × 56,488,550 = 7,400,000,050
262 × 28,244,275 = 7,400,000,050
655 × 11,297,710 = 7,400,000,050
947 × 7,814,150 = 7,400,000,050
1,193 × 6,202,850 = 7,400,000,050
1,310 × 5,648,855 = 7,400,000,050
1,894 × 3,907,075 = 7,400,000,050
2,386 × 3,101,425 = 7,400,000,050
3,275 × 2,259,542 = 7,400,000,050
4,735 × 1,562,830 = 7,400,000,050
5,965 × 1,240,570 = 7,400,000,050
6,550 × 1,129,771 = 7,400,000,050
9,470 × 781,415 = 7,400,000,050
11,930 × 620,285 = 7,400,000,050
23,675 × 312,566 = 7,400,000,050
29,825 × 248,114 = 7,400,000,050
47,350 × 156,283 = 7,400,000,050
59,650 × 124,057 = 7,400,000,050
24 unique multiplications The final answer:
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