To find all the divisors of the number 95,550:
- 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 95,550:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
95,550 = 2 × 3 × 52 × 72 × 13
95,550 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 = (1 + 1) × (1 + 1) × (2 + 1) × (2 + 1) × (1 + 1) = 2 × 2 × 3 × 3 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 95,550
- 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
prime factor =
5
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 2 × 5 =
10
prime factor =
13
composite factor = 2 × 7 =
14
composite factor = 3 × 5 =
15
composite factor = 3 × 7 =
21
composite factor = 5
2 =
25
composite factor = 2 × 13 =
26
composite factor = 2 × 3 × 5 =
30
composite factor = 5 × 7 =
35
composite factor = 3 × 13 =
39
composite factor = 2 × 3 × 7 =
42
composite factor = 7
2 =
49
composite factor = 2 × 5
2 =
50
composite factor = 5 × 13 =
65
composite factor = 2 × 5 × 7 =
70
composite factor = 3 × 5
2 =
75
composite factor = 2 × 3 × 13 =
78
composite factor = 7 × 13 =
91
composite factor = 2 × 7
2 =
98
composite factor = 3 × 5 × 7 =
105
composite factor = 2 × 5 × 13 =
130
composite factor = 3 × 7
2 =
147
composite factor = 2 × 3 × 5
2 =
150
composite factor = 5
2 × 7 =
175
composite factor = 2 × 7 × 13 =
182
composite factor = 3 × 5 × 13 =
195
composite factor = 2 × 3 × 5 × 7 =
210
composite factor = 5 × 7
2 =
245
composite factor = 3 × 7 × 13 =
273
composite factor = 2 × 3 × 7
2 =
294
This list continues below...
... This list continues from above
composite factor = 5
2 × 13 =
325
composite factor = 2 × 5
2 × 7 =
350
composite factor = 2 × 3 × 5 × 13 =
390
composite factor = 5 × 7 × 13 =
455
composite factor = 2 × 5 × 7
2 =
490
composite factor = 3 × 5
2 × 7 =
525
composite factor = 2 × 3 × 7 × 13 =
546
composite factor = 7
2 × 13 =
637
composite factor = 2 × 5
2 × 13 =
650
composite factor = 3 × 5 × 7
2 =
735
composite factor = 2 × 5 × 7 × 13 =
910
composite factor = 3 × 5
2 × 13 =
975
composite factor = 2 × 3 × 5
2 × 7 =
1,050
composite factor = 5
2 × 7
2 =
1,225
composite factor = 2 × 7
2 × 13 =
1,274
composite factor = 3 × 5 × 7 × 13 =
1,365
composite factor = 2 × 3 × 5 × 7
2 =
1,470
composite factor = 3 × 7
2 × 13 =
1,911
composite factor = 2 × 3 × 5
2 × 13 =
1,950
composite factor = 5
2 × 7 × 13 =
2,275
composite factor = 2 × 5
2 × 7
2 =
2,450
composite factor = 2 × 3 × 5 × 7 × 13 =
2,730
composite factor = 5 × 7
2 × 13 =
3,185
composite factor = 3 × 5
2 × 7
2 =
3,675
composite factor = 2 × 3 × 7
2 × 13 =
3,822
composite factor = 2 × 5
2 × 7 × 13 =
4,550
composite factor = 2 × 5 × 7
2 × 13 =
6,370
composite factor = 3 × 5
2 × 7 × 13 =
6,825
composite factor = 2 × 3 × 5
2 × 7
2 =
7,350
composite factor = 3 × 5 × 7
2 × 13 =
9,555
composite factor = 2 × 3 × 5
2 × 7 × 13 =
13,650
composite factor = 5
2 × 7
2 × 13 =
15,925
composite factor = 2 × 3 × 5 × 7
2 × 13 =
19,110
composite factor = 2 × 5
2 × 7
2 × 13 =
31,850
composite factor = 3 × 5
2 × 7
2 × 13 =
47,775
composite factor = 2 × 3 × 5
2 × 7
2 × 13 =
95,550
72 factors (divisors)
What times what is 95,550?
What number multiplied by what number equals 95,550?
All the combinations of any two natural numbers whose product equals 95,550.
1 × 95,550 = 95,550
2 × 47,775 = 95,550
3 × 31,850 = 95,550
5 × 19,110 = 95,550
6 × 15,925 = 95,550
7 × 13,650 = 95,550
10 × 9,555 = 95,550
13 × 7,350 = 95,550
14 × 6,825 = 95,550
15 × 6,370 = 95,550
21 × 4,550 = 95,550
25 × 3,822 = 95,550
26 × 3,675 = 95,550
30 × 3,185 = 95,550
35 × 2,730 = 95,550
39 × 2,450 = 95,550
42 × 2,275 = 95,550
49 × 1,950 = 95,550
50 × 1,911 = 95,550
65 × 1,470 = 95,550
70 × 1,365 = 95,550
75 × 1,274 = 95,550
78 × 1,225 = 95,550
91 × 1,050 = 95,550
98 × 975 = 95,550
105 × 910 = 95,550
130 × 735 = 95,550
147 × 650 = 95,550
150 × 637 = 95,550
175 × 546 = 95,550
182 × 525 = 95,550
195 × 490 = 95,550
210 × 455 = 95,550
245 × 390 = 95,550
273 × 350 = 95,550
294 × 325 = 95,550
36 unique multiplications The final answer:
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