To find all the divisors of the number 322,395,723:
- 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 322,395,723:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
322,395,723 = 32 × 132 × 127 × 1,669
322,395,723 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) × (2 + 1) × (1 + 1) × (1 + 1) = 3 × 3 × 2 × 2 = 36
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 322,395,723
- 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 =
13
composite factor = 3 × 13 =
39
composite factor = 3
2 × 13 =
117
prime factor =
127
composite factor = 13
2 =
169
composite factor = 3 × 127 =
381
composite factor = 3 × 13
2 =
507
composite factor = 3
2 × 127 =
1,143
composite factor = 3
2 × 13
2 =
1,521
composite factor = 13 × 127 =
1,651
prime factor =
1,669
composite factor = 3 × 13 × 127 =
4,953
composite factor = 3 × 1,669 =
5,007
composite factor = 3
2 × 13 × 127 =
14,859
composite factor = 3
2 × 1,669 =
15,021
This list continues below...
... This list continues from above
composite factor = 13
2 × 127 =
21,463
composite factor = 13 × 1,669 =
21,697
composite factor = 3 × 13
2 × 127 =
64,389
composite factor = 3 × 13 × 1,669 =
65,091
composite factor = 3
2 × 13
2 × 127 =
193,167
composite factor = 3
2 × 13 × 1,669 =
195,273
composite factor = 127 × 1,669 =
211,963
composite factor = 13
2 × 1,669 =
282,061
composite factor = 3 × 127 × 1,669 =
635,889
composite factor = 3 × 13
2 × 1,669 =
846,183
composite factor = 3
2 × 127 × 1,669 =
1,907,667
composite factor = 3
2 × 13
2 × 1,669 =
2,538,549
composite factor = 13 × 127 × 1,669 =
2,755,519
composite factor = 3 × 13 × 127 × 1,669 =
8,266,557
composite factor = 3
2 × 13 × 127 × 1,669 =
24,799,671
composite factor = 13
2 × 127 × 1,669 =
35,821,747
composite factor = 3 × 13
2 × 127 × 1,669 =
107,465,241
composite factor = 3
2 × 13
2 × 127 × 1,669 =
322,395,723
36 factors (divisors)
What times what is 322,395,723?
What number multiplied by what number equals 322,395,723?
All the combinations of any two natural numbers whose product equals 322,395,723.
1 × 322,395,723 = 322,395,723
3 × 107,465,241 = 322,395,723
9 × 35,821,747 = 322,395,723
13 × 24,799,671 = 322,395,723
39 × 8,266,557 = 322,395,723
117 × 2,755,519 = 322,395,723
127 × 2,538,549 = 322,395,723
169 × 1,907,667 = 322,395,723
381 × 846,183 = 322,395,723
507 × 635,889 = 322,395,723
1,143 × 282,061 = 322,395,723
1,521 × 211,963 = 322,395,723
1,651 × 195,273 = 322,395,723
1,669 × 193,167 = 322,395,723
4,953 × 65,091 = 322,395,723
5,007 × 64,389 = 322,395,723
14,859 × 21,697 = 322,395,723
15,021 × 21,463 = 322,395,723
18 unique multiplications The final answer:
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