To find all the divisors of the number 964,480:
- 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 964,480:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
964,480 = 27 × 5 × 11 × 137
964,480 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 = (7 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 8 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 964,480
- 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 =
5
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 2
4 =
16
composite factor = 2
2 × 5 =
20
composite factor = 2 × 11 =
22
composite factor = 2
5 =
32
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 11 =
44
composite factor = 5 × 11 =
55
composite factor = 2
6 =
64
composite factor = 2
4 × 5 =
80
composite factor = 2
3 × 11 =
88
composite factor = 2 × 5 × 11 =
110
composite factor = 2
7 =
128
prime factor =
137
composite factor = 2
5 × 5 =
160
composite factor = 2
4 × 11 =
176
composite factor = 2
2 × 5 × 11 =
220
composite factor = 2 × 137 =
274
composite factor = 2
6 × 5 =
320
composite factor = 2
5 × 11 =
352
composite factor = 2
3 × 5 × 11 =
440
composite factor = 2
2 × 137 =
548
composite factor = 2
7 × 5 =
640
composite factor = 5 × 137 =
685
composite factor = 2
6 × 11 =
704
composite factor = 2
4 × 5 × 11 =
880
This list continues below...
... This list continues from above
composite factor = 2
3 × 137 =
1,096
composite factor = 2 × 5 × 137 =
1,370
composite factor = 2
7 × 11 =
1,408
composite factor = 11 × 137 =
1,507
composite factor = 2
5 × 5 × 11 =
1,760
composite factor = 2
4 × 137 =
2,192
composite factor = 2
2 × 5 × 137 =
2,740
composite factor = 2 × 11 × 137 =
3,014
composite factor = 2
6 × 5 × 11 =
3,520
composite factor = 2
5 × 137 =
4,384
composite factor = 2
3 × 5 × 137 =
5,480
composite factor = 2
2 × 11 × 137 =
6,028
composite factor = 2
7 × 5 × 11 =
7,040
composite factor = 5 × 11 × 137 =
7,535
composite factor = 2
6 × 137 =
8,768
composite factor = 2
4 × 5 × 137 =
10,960
composite factor = 2
3 × 11 × 137 =
12,056
composite factor = 2 × 5 × 11 × 137 =
15,070
composite factor = 2
7 × 137 =
17,536
composite factor = 2
5 × 5 × 137 =
21,920
composite factor = 2
4 × 11 × 137 =
24,112
composite factor = 2
2 × 5 × 11 × 137 =
30,140
composite factor = 2
6 × 5 × 137 =
43,840
composite factor = 2
5 × 11 × 137 =
48,224
composite factor = 2
3 × 5 × 11 × 137 =
60,280
composite factor = 2
7 × 5 × 137 =
87,680
composite factor = 2
6 × 11 × 137 =
96,448
composite factor = 2
4 × 5 × 11 × 137 =
120,560
composite factor = 2
7 × 11 × 137 =
192,896
composite factor = 2
5 × 5 × 11 × 137 =
241,120
composite factor = 2
6 × 5 × 11 × 137 =
482,240
composite factor = 2
7 × 5 × 11 × 137 =
964,480
64 factors (divisors)
What times what is 964,480?
What number multiplied by what number equals 964,480?
All the combinations of any two natural numbers whose product equals 964,480.
1 × 964,480 = 964,480
2 × 482,240 = 964,480
4 × 241,120 = 964,480
5 × 192,896 = 964,480
8 × 120,560 = 964,480
10 × 96,448 = 964,480
11 × 87,680 = 964,480
16 × 60,280 = 964,480
20 × 48,224 = 964,480
22 × 43,840 = 964,480
32 × 30,140 = 964,480
40 × 24,112 = 964,480
44 × 21,920 = 964,480
55 × 17,536 = 964,480
64 × 15,070 = 964,480
80 × 12,056 = 964,480
88 × 10,960 = 964,480
110 × 8,768 = 964,480
128 × 7,535 = 964,480
137 × 7,040 = 964,480
160 × 6,028 = 964,480
176 × 5,480 = 964,480
220 × 4,384 = 964,480
274 × 3,520 = 964,480
320 × 3,014 = 964,480
352 × 2,740 = 964,480
440 × 2,192 = 964,480
548 × 1,760 = 964,480
640 × 1,507 = 964,480
685 × 1,408 = 964,480
704 × 1,370 = 964,480
880 × 1,096 = 964,480
32 unique multiplications The final answer:
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