To find all the divisors of the number 740,000,007:
- 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 740,000,007:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
740,000,007 = 32 × 47 × 59 × 149 × 199
740,000,007 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 740,000,007
- 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 =
3
composite factor = 3
2 =
9
prime factor =
47
prime factor =
59
composite factor = 3 × 47 =
141
prime factor =
149
composite factor = 3 × 59 =
177
prime factor =
199
composite factor = 3
2 × 47 =
423
composite factor = 3 × 149 =
447
composite factor = 3
2 × 59 =
531
composite factor = 3 × 199 =
597
composite factor = 3
2 × 149 =
1,341
composite factor = 3
2 × 199 =
1,791
composite factor = 47 × 59 =
2,773
composite factor = 47 × 149 =
7,003
composite factor = 3 × 47 × 59 =
8,319
composite factor = 59 × 149 =
8,791
composite factor = 47 × 199 =
9,353
composite factor = 59 × 199 =
11,741
composite factor = 3 × 47 × 149 =
21,009
composite factor = 3
2 × 47 × 59 =
24,957
composite factor = 3 × 59 × 149 =
26,373
This list continues below...
... This list continues from above
composite factor = 3 × 47 × 199 =
28,059
composite factor = 149 × 199 =
29,651
composite factor = 3 × 59 × 199 =
35,223
composite factor = 3
2 × 47 × 149 =
63,027
composite factor = 3
2 × 59 × 149 =
79,119
composite factor = 3
2 × 47 × 199 =
84,177
composite factor = 3 × 149 × 199 =
88,953
composite factor = 3
2 × 59 × 199 =
105,669
composite factor = 3
2 × 149 × 199 =
266,859
composite factor = 47 × 59 × 149 =
413,177
composite factor = 47 × 59 × 199 =
551,827
composite factor = 3 × 47 × 59 × 149 =
1,239,531
composite factor = 47 × 149 × 199 =
1,393,597
composite factor = 3 × 47 × 59 × 199 =
1,655,481
composite factor = 59 × 149 × 199 =
1,749,409
composite factor = 3
2 × 47 × 59 × 149 =
3,718,593
composite factor = 3 × 47 × 149 × 199 =
4,180,791
composite factor = 3
2 × 47 × 59 × 199 =
4,966,443
composite factor = 3 × 59 × 149 × 199 =
5,248,227
composite factor = 3
2 × 47 × 149 × 199 =
12,542,373
composite factor = 3
2 × 59 × 149 × 199 =
15,744,681
composite factor = 47 × 59 × 149 × 199 =
82,222,223
composite factor = 3 × 47 × 59 × 149 × 199 =
246,666,669
composite factor = 3
2 × 47 × 59 × 149 × 199 =
740,000,007
48 factors (divisors)
What times what is 740,000,007?
What number multiplied by what number equals 740,000,007?
All the combinations of any two natural numbers whose product equals 740,000,007.
1 × 740,000,007 = 740,000,007
3 × 246,666,669 = 740,000,007
9 × 82,222,223 = 740,000,007
47 × 15,744,681 = 740,000,007
59 × 12,542,373 = 740,000,007
141 × 5,248,227 = 740,000,007
149 × 4,966,443 = 740,000,007
177 × 4,180,791 = 740,000,007
199 × 3,718,593 = 740,000,007
423 × 1,749,409 = 740,000,007
447 × 1,655,481 = 740,000,007
531 × 1,393,597 = 740,000,007
597 × 1,239,531 = 740,000,007
1,341 × 551,827 = 740,000,007
1,791 × 413,177 = 740,000,007
2,773 × 266,859 = 740,000,007
7,003 × 105,669 = 740,000,007
8,319 × 88,953 = 740,000,007
8,791 × 84,177 = 740,000,007
9,353 × 79,119 = 740,000,007
11,741 × 63,027 = 740,000,007
21,009 × 35,223 = 740,000,007
24,957 × 29,651 = 740,000,007
26,373 × 28,059 = 740,000,007
24 unique multiplications The final answer:
(scroll down)