To find all the divisors of the number 888,960:
- 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 888,960:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
888,960 = 27 × 3 × 5 × 463
888,960 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 888,960
- 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
prime factor =
3
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2
2 × 3 =
12
composite factor = 3 × 5 =
15
composite factor = 2
4 =
16
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 3 × 5 =
30
composite factor = 2
5 =
32
composite factor = 2
3 × 5 =
40
composite factor = 2
4 × 3 =
48
composite factor = 2
2 × 3 × 5 =
60
composite factor = 2
6 =
64
composite factor = 2
4 × 5 =
80
composite factor = 2
5 × 3 =
96
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2
7 =
128
composite factor = 2
5 × 5 =
160
composite factor = 2
6 × 3 =
192
composite factor = 2
4 × 3 × 5 =
240
composite factor = 2
6 × 5 =
320
composite factor = 2
7 × 3 =
384
prime factor =
463
composite factor = 2
5 × 3 × 5 =
480
composite factor = 2
7 × 5 =
640
composite factor = 2 × 463 =
926
This list continues below...
... This list continues from above
composite factor = 2
6 × 3 × 5 =
960
composite factor = 3 × 463 =
1,389
composite factor = 2
2 × 463 =
1,852
composite factor = 2
7 × 3 × 5 =
1,920
composite factor = 5 × 463 =
2,315
composite factor = 2 × 3 × 463 =
2,778
composite factor = 2
3 × 463 =
3,704
composite factor = 2 × 5 × 463 =
4,630
composite factor = 2
2 × 3 × 463 =
5,556
composite factor = 3 × 5 × 463 =
6,945
composite factor = 2
4 × 463 =
7,408
composite factor = 2
2 × 5 × 463 =
9,260
composite factor = 2
3 × 3 × 463 =
11,112
composite factor = 2 × 3 × 5 × 463 =
13,890
composite factor = 2
5 × 463 =
14,816
composite factor = 2
3 × 5 × 463 =
18,520
composite factor = 2
4 × 3 × 463 =
22,224
composite factor = 2
2 × 3 × 5 × 463 =
27,780
composite factor = 2
6 × 463 =
29,632
composite factor = 2
4 × 5 × 463 =
37,040
composite factor = 2
5 × 3 × 463 =
44,448
composite factor = 2
3 × 3 × 5 × 463 =
55,560
composite factor = 2
7 × 463 =
59,264
composite factor = 2
5 × 5 × 463 =
74,080
composite factor = 2
6 × 3 × 463 =
88,896
composite factor = 2
4 × 3 × 5 × 463 =
111,120
composite factor = 2
6 × 5 × 463 =
148,160
composite factor = 2
7 × 3 × 463 =
177,792
composite factor = 2
5 × 3 × 5 × 463 =
222,240
composite factor = 2
7 × 5 × 463 =
296,320
composite factor = 2
6 × 3 × 5 × 463 =
444,480
composite factor = 2
7 × 3 × 5 × 463 =
888,960
64 factors (divisors)
What times what is 888,960?
What number multiplied by what number equals 888,960?
All the combinations of any two natural numbers whose product equals 888,960.
1 × 888,960 = 888,960
2 × 444,480 = 888,960
3 × 296,320 = 888,960
4 × 222,240 = 888,960
5 × 177,792 = 888,960
6 × 148,160 = 888,960
8 × 111,120 = 888,960
10 × 88,896 = 888,960
12 × 74,080 = 888,960
15 × 59,264 = 888,960
16 × 55,560 = 888,960
20 × 44,448 = 888,960
24 × 37,040 = 888,960
30 × 29,632 = 888,960
32 × 27,780 = 888,960
40 × 22,224 = 888,960
48 × 18,520 = 888,960
60 × 14,816 = 888,960
64 × 13,890 = 888,960
80 × 11,112 = 888,960
96 × 9,260 = 888,960
120 × 7,408 = 888,960
128 × 6,945 = 888,960
160 × 5,556 = 888,960
192 × 4,630 = 888,960
240 × 3,704 = 888,960
320 × 2,778 = 888,960
384 × 2,315 = 888,960
463 × 1,920 = 888,960
480 × 1,852 = 888,960
640 × 1,389 = 888,960
926 × 960 = 888,960
32 unique multiplications The final answer:
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