To find all the divisors of the number 92,040:
- 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 92,040:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
92,040 = 23 × 3 × 5 × 13 × 59
92,040 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 4 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 92,040
- 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
prime factor =
13
composite factor = 3 × 5 =
15
composite factor = 2
2 × 5 =
20
composite factor = 2
3 × 3 =
24
composite factor = 2 × 13 =
26
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 13 =
39
composite factor = 2
3 × 5 =
40
composite factor = 2
2 × 13 =
52
prime factor =
59
composite factor = 2
2 × 3 × 5 =
60
composite factor = 5 × 13 =
65
composite factor = 2 × 3 × 13 =
78
composite factor = 2
3 × 13 =
104
composite factor = 2 × 59 =
118
composite factor = 2
3 × 3 × 5 =
120
composite factor = 2 × 5 × 13 =
130
composite factor = 2
2 × 3 × 13 =
156
composite factor = 3 × 59 =
177
composite factor = 3 × 5 × 13 =
195
composite factor = 2
2 × 59 =
236
composite factor = 2
2 × 5 × 13 =
260
composite factor = 5 × 59 =
295
This list continues below...
... This list continues from above
composite factor = 2
3 × 3 × 13 =
312
composite factor = 2 × 3 × 59 =
354
composite factor = 2 × 3 × 5 × 13 =
390
composite factor = 2
3 × 59 =
472
composite factor = 2
3 × 5 × 13 =
520
composite factor = 2 × 5 × 59 =
590
composite factor = 2
2 × 3 × 59 =
708
composite factor = 13 × 59 =
767
composite factor = 2
2 × 3 × 5 × 13 =
780
composite factor = 3 × 5 × 59 =
885
composite factor = 2
2 × 5 × 59 =
1,180
composite factor = 2
3 × 3 × 59 =
1,416
composite factor = 2 × 13 × 59 =
1,534
composite factor = 2
3 × 3 × 5 × 13 =
1,560
composite factor = 2 × 3 × 5 × 59 =
1,770
composite factor = 3 × 13 × 59 =
2,301
composite factor = 2
3 × 5 × 59 =
2,360
composite factor = 2
2 × 13 × 59 =
3,068
composite factor = 2
2 × 3 × 5 × 59 =
3,540
composite factor = 5 × 13 × 59 =
3,835
composite factor = 2 × 3 × 13 × 59 =
4,602
composite factor = 2
3 × 13 × 59 =
6,136
composite factor = 2
3 × 3 × 5 × 59 =
7,080
composite factor = 2 × 5 × 13 × 59 =
7,670
composite factor = 2
2 × 3 × 13 × 59 =
9,204
composite factor = 3 × 5 × 13 × 59 =
11,505
composite factor = 2
2 × 5 × 13 × 59 =
15,340
composite factor = 2
3 × 3 × 13 × 59 =
18,408
composite factor = 2 × 3 × 5 × 13 × 59 =
23,010
composite factor = 2
3 × 5 × 13 × 59 =
30,680
composite factor = 2
2 × 3 × 5 × 13 × 59 =
46,020
composite factor = 2
3 × 3 × 5 × 13 × 59 =
92,040
64 factors (divisors)
What times what is 92,040?
What number multiplied by what number equals 92,040?
All the combinations of any two natural numbers whose product equals 92,040.
1 × 92,040 = 92,040
2 × 46,020 = 92,040
3 × 30,680 = 92,040
4 × 23,010 = 92,040
5 × 18,408 = 92,040
6 × 15,340 = 92,040
8 × 11,505 = 92,040
10 × 9,204 = 92,040
12 × 7,670 = 92,040
13 × 7,080 = 92,040
15 × 6,136 = 92,040
20 × 4,602 = 92,040
24 × 3,835 = 92,040
26 × 3,540 = 92,040
30 × 3,068 = 92,040
39 × 2,360 = 92,040
40 × 2,301 = 92,040
52 × 1,770 = 92,040
59 × 1,560 = 92,040
60 × 1,534 = 92,040
65 × 1,416 = 92,040
78 × 1,180 = 92,040
104 × 885 = 92,040
118 × 780 = 92,040
120 × 767 = 92,040
130 × 708 = 92,040
156 × 590 = 92,040
177 × 520 = 92,040
195 × 472 = 92,040
236 × 390 = 92,040
260 × 354 = 92,040
295 × 312 = 92,040
32 unique multiplications The final answer:
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