To find all the divisors of the number 557,600:
- 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 557,600:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
557,600 = 25 × 52 × 17 × 41
557,600 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 = (5 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 6 × 3 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 557,600
- 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
composite factor = 2
4 =
16
prime factor =
17
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 2
5 =
32
composite factor = 2 × 17 =
34
composite factor = 2
3 × 5 =
40
prime factor =
41
composite factor = 2 × 5
2 =
50
composite factor = 2
2 × 17 =
68
composite factor = 2
4 × 5 =
80
composite factor = 2 × 41 =
82
composite factor = 5 × 17 =
85
composite factor = 2
2 × 5
2 =
100
composite factor = 2
3 × 17 =
136
composite factor = 2
5 × 5 =
160
composite factor = 2
2 × 41 =
164
composite factor = 2 × 5 × 17 =
170
composite factor = 2
3 × 5
2 =
200
composite factor = 5 × 41 =
205
composite factor = 2
4 × 17 =
272
composite factor = 2
3 × 41 =
328
composite factor = 2
2 × 5 × 17 =
340
composite factor = 2
4 × 5
2 =
400
composite factor = 2 × 5 × 41 =
410
composite factor = 5
2 × 17 =
425
composite factor = 2
5 × 17 =
544
composite factor = 2
4 × 41 =
656
composite factor = 2
3 × 5 × 17 =
680
composite factor = 17 × 41 =
697
This list continues below...
... This list continues from above
composite factor = 2
5 × 5
2 =
800
composite factor = 2
2 × 5 × 41 =
820
composite factor = 2 × 5
2 × 17 =
850
composite factor = 5
2 × 41 =
1,025
composite factor = 2
5 × 41 =
1,312
composite factor = 2
4 × 5 × 17 =
1,360
composite factor = 2 × 17 × 41 =
1,394
composite factor = 2
3 × 5 × 41 =
1,640
composite factor = 2
2 × 5
2 × 17 =
1,700
composite factor = 2 × 5
2 × 41 =
2,050
composite factor = 2
5 × 5 × 17 =
2,720
composite factor = 2
2 × 17 × 41 =
2,788
composite factor = 2
4 × 5 × 41 =
3,280
composite factor = 2
3 × 5
2 × 17 =
3,400
composite factor = 5 × 17 × 41 =
3,485
composite factor = 2
2 × 5
2 × 41 =
4,100
composite factor = 2
3 × 17 × 41 =
5,576
composite factor = 2
5 × 5 × 41 =
6,560
composite factor = 2
4 × 5
2 × 17 =
6,800
composite factor = 2 × 5 × 17 × 41 =
6,970
composite factor = 2
3 × 5
2 × 41 =
8,200
composite factor = 2
4 × 17 × 41 =
11,152
composite factor = 2
5 × 5
2 × 17 =
13,600
composite factor = 2
2 × 5 × 17 × 41 =
13,940
composite factor = 2
4 × 5
2 × 41 =
16,400
composite factor = 5
2 × 17 × 41 =
17,425
composite factor = 2
5 × 17 × 41 =
22,304
composite factor = 2
3 × 5 × 17 × 41 =
27,880
composite factor = 2
5 × 5
2 × 41 =
32,800
composite factor = 2 × 5
2 × 17 × 41 =
34,850
composite factor = 2
4 × 5 × 17 × 41 =
55,760
composite factor = 2
2 × 5
2 × 17 × 41 =
69,700
composite factor = 2
5 × 5 × 17 × 41 =
111,520
composite factor = 2
3 × 5
2 × 17 × 41 =
139,400
composite factor = 2
4 × 5
2 × 17 × 41 =
278,800
composite factor = 2
5 × 5
2 × 17 × 41 =
557,600
72 factors (divisors)
What times what is 557,600?
What number multiplied by what number equals 557,600?
All the combinations of any two natural numbers whose product equals 557,600.
1 × 557,600 = 557,600
2 × 278,800 = 557,600
4 × 139,400 = 557,600
5 × 111,520 = 557,600
8 × 69,700 = 557,600
10 × 55,760 = 557,600
16 × 34,850 = 557,600
17 × 32,800 = 557,600
20 × 27,880 = 557,600
25 × 22,304 = 557,600
32 × 17,425 = 557,600
34 × 16,400 = 557,600
40 × 13,940 = 557,600
41 × 13,600 = 557,600
50 × 11,152 = 557,600
68 × 8,200 = 557,600
80 × 6,970 = 557,600
82 × 6,800 = 557,600
85 × 6,560 = 557,600
100 × 5,576 = 557,600
136 × 4,100 = 557,600
160 × 3,485 = 557,600
164 × 3,400 = 557,600
170 × 3,280 = 557,600
200 × 2,788 = 557,600
205 × 2,720 = 557,600
272 × 2,050 = 557,600
328 × 1,700 = 557,600
340 × 1,640 = 557,600
400 × 1,394 = 557,600
410 × 1,360 = 557,600
425 × 1,312 = 557,600
544 × 1,025 = 557,600
656 × 850 = 557,600
680 × 820 = 557,600
697 × 800 = 557,600
36 unique multiplications The final answer:
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