To find all the divisors of the number 226,560:
- 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 226,560:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
226,560 = 28 × 3 × 5 × 59
226,560 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 = (8 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 9 × 2 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 226,560
- 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
prime factor =
59
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 × 59 =
118
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2
7 =
128
composite factor = 2
5 × 5 =
160
composite factor = 3 × 59 =
177
composite factor = 2
6 × 3 =
192
composite factor = 2
2 × 59 =
236
composite factor = 2
4 × 3 × 5 =
240
composite factor = 2
8 =
256
composite factor = 5 × 59 =
295
composite factor = 2
6 × 5 =
320
composite factor = 2 × 3 × 59 =
354
composite factor = 2
7 × 3 =
384
composite factor = 2
3 × 59 =
472
This list continues below...
... This list continues from above
composite factor = 2
5 × 3 × 5 =
480
composite factor = 2 × 5 × 59 =
590
composite factor = 2
7 × 5 =
640
composite factor = 2
2 × 3 × 59 =
708
composite factor = 2
8 × 3 =
768
composite factor = 3 × 5 × 59 =
885
composite factor = 2
4 × 59 =
944
composite factor = 2
6 × 3 × 5 =
960
composite factor = 2
2 × 5 × 59 =
1,180
composite factor = 2
8 × 5 =
1,280
composite factor = 2
3 × 3 × 59 =
1,416
composite factor = 2 × 3 × 5 × 59 =
1,770
composite factor = 2
5 × 59 =
1,888
composite factor = 2
7 × 3 × 5 =
1,920
composite factor = 2
3 × 5 × 59 =
2,360
composite factor = 2
4 × 3 × 59 =
2,832
composite factor = 2
2 × 3 × 5 × 59 =
3,540
composite factor = 2
6 × 59 =
3,776
composite factor = 2
8 × 3 × 5 =
3,840
composite factor = 2
4 × 5 × 59 =
4,720
composite factor = 2
5 × 3 × 59 =
5,664
composite factor = 2
3 × 3 × 5 × 59 =
7,080
composite factor = 2
7 × 59 =
7,552
composite factor = 2
5 × 5 × 59 =
9,440
composite factor = 2
6 × 3 × 59 =
11,328
composite factor = 2
4 × 3 × 5 × 59 =
14,160
composite factor = 2
8 × 59 =
15,104
composite factor = 2
6 × 5 × 59 =
18,880
composite factor = 2
7 × 3 × 59 =
22,656
composite factor = 2
5 × 3 × 5 × 59 =
28,320
composite factor = 2
7 × 5 × 59 =
37,760
composite factor = 2
8 × 3 × 59 =
45,312
composite factor = 2
6 × 3 × 5 × 59 =
56,640
composite factor = 2
8 × 5 × 59 =
75,520
composite factor = 2
7 × 3 × 5 × 59 =
113,280
composite factor = 2
8 × 3 × 5 × 59 =
226,560
72 factors (divisors)
What times what is 226,560?
What number multiplied by what number equals 226,560?
All the combinations of any two natural numbers whose product equals 226,560.
1 × 226,560 = 226,560
2 × 113,280 = 226,560
3 × 75,520 = 226,560
4 × 56,640 = 226,560
5 × 45,312 = 226,560
6 × 37,760 = 226,560
8 × 28,320 = 226,560
10 × 22,656 = 226,560
12 × 18,880 = 226,560
15 × 15,104 = 226,560
16 × 14,160 = 226,560
20 × 11,328 = 226,560
24 × 9,440 = 226,560
30 × 7,552 = 226,560
32 × 7,080 = 226,560
40 × 5,664 = 226,560
48 × 4,720 = 226,560
59 × 3,840 = 226,560
60 × 3,776 = 226,560
64 × 3,540 = 226,560
80 × 2,832 = 226,560
96 × 2,360 = 226,560
118 × 1,920 = 226,560
120 × 1,888 = 226,560
128 × 1,770 = 226,560
160 × 1,416 = 226,560
177 × 1,280 = 226,560
192 × 1,180 = 226,560
236 × 960 = 226,560
240 × 944 = 226,560
256 × 885 = 226,560
295 × 768 = 226,560
320 × 708 = 226,560
354 × 640 = 226,560
384 × 590 = 226,560
472 × 480 = 226,560
36 unique multiplications The final answer:
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