To find all the divisors of the number 522,200:
- 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 522,200:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
522,200 = 23 × 52 × 7 × 373
522,200 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 = (3 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 4 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 522,200
- 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
prime factor =
7
composite factor = 2
3 =
8
composite factor = 2 × 5 =
10
composite factor = 2 × 7 =
14
composite factor = 2
2 × 5 =
20
composite factor = 5
2 =
25
composite factor = 2
2 × 7 =
28
composite factor = 5 × 7 =
35
composite factor = 2
3 × 5 =
40
composite factor = 2 × 5
2 =
50
composite factor = 2
3 × 7 =
56
composite factor = 2 × 5 × 7 =
70
composite factor = 2
2 × 5
2 =
100
composite factor = 2
2 × 5 × 7 =
140
composite factor = 5
2 × 7 =
175
composite factor = 2
3 × 5
2 =
200
composite factor = 2
3 × 5 × 7 =
280
composite factor = 2 × 5
2 × 7 =
350
prime factor =
373
composite factor = 2
2 × 5
2 × 7 =
700
This list continues below...
... This list continues from above
composite factor = 2 × 373 =
746
composite factor = 2
3 × 5
2 × 7 =
1,400
composite factor = 2
2 × 373 =
1,492
composite factor = 5 × 373 =
1,865
composite factor = 7 × 373 =
2,611
composite factor = 2
3 × 373 =
2,984
composite factor = 2 × 5 × 373 =
3,730
composite factor = 2 × 7 × 373 =
5,222
composite factor = 2
2 × 5 × 373 =
7,460
composite factor = 5
2 × 373 =
9,325
composite factor = 2
2 × 7 × 373 =
10,444
composite factor = 5 × 7 × 373 =
13,055
composite factor = 2
3 × 5 × 373 =
14,920
composite factor = 2 × 5
2 × 373 =
18,650
composite factor = 2
3 × 7 × 373 =
20,888
composite factor = 2 × 5 × 7 × 373 =
26,110
composite factor = 2
2 × 5
2 × 373 =
37,300
composite factor = 2
2 × 5 × 7 × 373 =
52,220
composite factor = 5
2 × 7 × 373 =
65,275
composite factor = 2
3 × 5
2 × 373 =
74,600
composite factor = 2
3 × 5 × 7 × 373 =
104,440
composite factor = 2 × 5
2 × 7 × 373 =
130,550
composite factor = 2
2 × 5
2 × 7 × 373 =
261,100
composite factor = 2
3 × 5
2 × 7 × 373 =
522,200
48 factors (divisors)
What times what is 522,200?
What number multiplied by what number equals 522,200?
All the combinations of any two natural numbers whose product equals 522,200.
1 × 522,200 = 522,200
2 × 261,100 = 522,200
4 × 130,550 = 522,200
5 × 104,440 = 522,200
7 × 74,600 = 522,200
8 × 65,275 = 522,200
10 × 52,220 = 522,200
14 × 37,300 = 522,200
20 × 26,110 = 522,200
25 × 20,888 = 522,200
28 × 18,650 = 522,200
35 × 14,920 = 522,200
40 × 13,055 = 522,200
50 × 10,444 = 522,200
56 × 9,325 = 522,200
70 × 7,460 = 522,200
100 × 5,222 = 522,200
140 × 3,730 = 522,200
175 × 2,984 = 522,200
200 × 2,611 = 522,200
280 × 1,865 = 522,200
350 × 1,492 = 522,200
373 × 1,400 = 522,200
700 × 746 = 522,200
24 unique multiplications The final answer:
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