To find all the divisors of the number 974,848:
- 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 974,848:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
974,848 = 213 × 7 × 17
974,848 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 = (13 + 1) × (1 + 1) × (1 + 1) = 14 × 2 × 2 = 56
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 974,848
- 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
composite factor = 2
4 =
16
prime factor =
17
composite factor = 2
2 × 7 =
28
composite factor = 2
5 =
32
composite factor = 2 × 17 =
34
composite factor = 2
3 × 7 =
56
composite factor = 2
6 =
64
composite factor = 2
2 × 17 =
68
composite factor = 2
4 × 7 =
112
composite factor = 7 × 17 =
119
composite factor = 2
7 =
128
composite factor = 2
3 × 17 =
136
composite factor = 2
5 × 7 =
224
composite factor = 2 × 7 × 17 =
238
composite factor = 2
8 =
256
composite factor = 2
4 × 17 =
272
composite factor = 2
6 × 7 =
448
composite factor = 2
2 × 7 × 17 =
476
composite factor = 2
9 =
512
composite factor = 2
5 × 17 =
544
composite factor = 2
7 × 7 =
896
composite factor = 2
3 × 7 × 17 =
952
This list continues below...
... This list continues from above
composite factor = 2
10 =
1,024
composite factor = 2
6 × 17 =
1,088
composite factor = 2
8 × 7 =
1,792
composite factor = 2
4 × 7 × 17 =
1,904
composite factor = 2
11 =
2,048
composite factor = 2
7 × 17 =
2,176
composite factor = 2
9 × 7 =
3,584
composite factor = 2
5 × 7 × 17 =
3,808
composite factor = 2
12 =
4,096
composite factor = 2
8 × 17 =
4,352
composite factor = 2
10 × 7 =
7,168
composite factor = 2
6 × 7 × 17 =
7,616
composite factor = 2
13 =
8,192
composite factor = 2
9 × 17 =
8,704
composite factor = 2
11 × 7 =
14,336
composite factor = 2
7 × 7 × 17 =
15,232
composite factor = 2
10 × 17 =
17,408
composite factor = 2
12 × 7 =
28,672
composite factor = 2
8 × 7 × 17 =
30,464
composite factor = 2
11 × 17 =
34,816
composite factor = 2
13 × 7 =
57,344
composite factor = 2
9 × 7 × 17 =
60,928
composite factor = 2
12 × 17 =
69,632
composite factor = 2
10 × 7 × 17 =
121,856
composite factor = 2
13 × 17 =
139,264
composite factor = 2
11 × 7 × 17 =
243,712
composite factor = 2
12 × 7 × 17 =
487,424
composite factor = 2
13 × 7 × 17 =
974,848
56 factors (divisors)
What times what is 974,848?
What number multiplied by what number equals 974,848?
All the combinations of any two natural numbers whose product equals 974,848.
1 × 974,848 = 974,848
2 × 487,424 = 974,848
4 × 243,712 = 974,848
7 × 139,264 = 974,848
8 × 121,856 = 974,848
14 × 69,632 = 974,848
16 × 60,928 = 974,848
17 × 57,344 = 974,848
28 × 34,816 = 974,848
32 × 30,464 = 974,848
34 × 28,672 = 974,848
56 × 17,408 = 974,848
64 × 15,232 = 974,848
68 × 14,336 = 974,848
112 × 8,704 = 974,848
119 × 8,192 = 974,848
128 × 7,616 = 974,848
136 × 7,168 = 974,848
224 × 4,352 = 974,848
238 × 4,096 = 974,848
256 × 3,808 = 974,848
272 × 3,584 = 974,848
448 × 2,176 = 974,848
476 × 2,048 = 974,848
512 × 1,904 = 974,848
544 × 1,792 = 974,848
896 × 1,088 = 974,848
952 × 1,024 = 974,848
28 unique multiplications The final answer:
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