To find all the divisors of the number 846,328:
- 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 846,328:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
846,328 = 23 × 72 × 17 × 127
846,328 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 = (3 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 846,328
- 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 =
7
composite factor = 2
3 =
8
composite factor = 2 × 7 =
14
prime factor =
17
composite factor = 2
2 × 7 =
28
composite factor = 2 × 17 =
34
composite factor = 7
2 =
49
composite factor = 2
3 × 7 =
56
composite factor = 2
2 × 17 =
68
composite factor = 2 × 7
2 =
98
composite factor = 7 × 17 =
119
prime factor =
127
composite factor = 2
3 × 17 =
136
composite factor = 2
2 × 7
2 =
196
composite factor = 2 × 7 × 17 =
238
composite factor = 2 × 127 =
254
composite factor = 2
3 × 7
2 =
392
composite factor = 2
2 × 7 × 17 =
476
composite factor = 2
2 × 127 =
508
composite factor = 7
2 × 17 =
833
composite factor = 7 × 127 =
889
This list continues below...
... This list continues from above
composite factor = 2
3 × 7 × 17 =
952
composite factor = 2
3 × 127 =
1,016
composite factor = 2 × 7
2 × 17 =
1,666
composite factor = 2 × 7 × 127 =
1,778
composite factor = 17 × 127 =
2,159
composite factor = 2
2 × 7
2 × 17 =
3,332
composite factor = 2
2 × 7 × 127 =
3,556
composite factor = 2 × 17 × 127 =
4,318
composite factor = 7
2 × 127 =
6,223
composite factor = 2
3 × 7
2 × 17 =
6,664
composite factor = 2
3 × 7 × 127 =
7,112
composite factor = 2
2 × 17 × 127 =
8,636
composite factor = 2 × 7
2 × 127 =
12,446
composite factor = 7 × 17 × 127 =
15,113
composite factor = 2
3 × 17 × 127 =
17,272
composite factor = 2
2 × 7
2 × 127 =
24,892
composite factor = 2 × 7 × 17 × 127 =
30,226
composite factor = 2
3 × 7
2 × 127 =
49,784
composite factor = 2
2 × 7 × 17 × 127 =
60,452
composite factor = 7
2 × 17 × 127 =
105,791
composite factor = 2
3 × 7 × 17 × 127 =
120,904
composite factor = 2 × 7
2 × 17 × 127 =
211,582
composite factor = 2
2 × 7
2 × 17 × 127 =
423,164
composite factor = 2
3 × 7
2 × 17 × 127 =
846,328
48 factors (divisors)
What times what is 846,328?
What number multiplied by what number equals 846,328?
All the combinations of any two natural numbers whose product equals 846,328.
1 × 846,328 = 846,328
2 × 423,164 = 846,328
4 × 211,582 = 846,328
7 × 120,904 = 846,328
8 × 105,791 = 846,328
14 × 60,452 = 846,328
17 × 49,784 = 846,328
28 × 30,226 = 846,328
34 × 24,892 = 846,328
49 × 17,272 = 846,328
56 × 15,113 = 846,328
68 × 12,446 = 846,328
98 × 8,636 = 846,328
119 × 7,112 = 846,328
127 × 6,664 = 846,328
136 × 6,223 = 846,328
196 × 4,318 = 846,328
238 × 3,556 = 846,328
254 × 3,332 = 846,328
392 × 2,159 = 846,328
476 × 1,778 = 846,328
508 × 1,666 = 846,328
833 × 1,016 = 846,328
889 × 952 = 846,328
24 unique multiplications The final answer:
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