To find all the divisors of the number 9,496,920:
- 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 9,496,920:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
9,496,920 = 23 × 3 × 5 × 29 × 2,729
9,496,920 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 9,496,920
- 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
2 × 5 =
20
composite factor = 2
3 × 3 =
24
prime factor =
29
composite factor = 2 × 3 × 5 =
30
composite factor = 2
3 × 5 =
40
composite factor = 2 × 29 =
58
composite factor = 2
2 × 3 × 5 =
60
composite factor = 3 × 29 =
87
composite factor = 2
2 × 29 =
116
composite factor = 2
3 × 3 × 5 =
120
composite factor = 5 × 29 =
145
composite factor = 2 × 3 × 29 =
174
composite factor = 2
3 × 29 =
232
composite factor = 2 × 5 × 29 =
290
composite factor = 2
2 × 3 × 29 =
348
composite factor = 3 × 5 × 29 =
435
composite factor = 2
2 × 5 × 29 =
580
composite factor = 2
3 × 3 × 29 =
696
composite factor = 2 × 3 × 5 × 29 =
870
composite factor = 2
3 × 5 × 29 =
1,160
composite factor = 2
2 × 3 × 5 × 29 =
1,740
prime factor =
2,729
This list continues below...
... This list continues from above
composite factor = 2
3 × 3 × 5 × 29 =
3,480
composite factor = 2 × 2,729 =
5,458
composite factor = 3 × 2,729 =
8,187
composite factor = 2
2 × 2,729 =
10,916
composite factor = 5 × 2,729 =
13,645
composite factor = 2 × 3 × 2,729 =
16,374
composite factor = 2
3 × 2,729 =
21,832
composite factor = 2 × 5 × 2,729 =
27,290
composite factor = 2
2 × 3 × 2,729 =
32,748
composite factor = 3 × 5 × 2,729 =
40,935
composite factor = 2
2 × 5 × 2,729 =
54,580
composite factor = 2
3 × 3 × 2,729 =
65,496
composite factor = 29 × 2,729 =
79,141
composite factor = 2 × 3 × 5 × 2,729 =
81,870
composite factor = 2
3 × 5 × 2,729 =
109,160
composite factor = 2 × 29 × 2,729 =
158,282
composite factor = 2
2 × 3 × 5 × 2,729 =
163,740
composite factor = 3 × 29 × 2,729 =
237,423
composite factor = 2
2 × 29 × 2,729 =
316,564
composite factor = 2
3 × 3 × 5 × 2,729 =
327,480
composite factor = 5 × 29 × 2,729 =
395,705
composite factor = 2 × 3 × 29 × 2,729 =
474,846
composite factor = 2
3 × 29 × 2,729 =
633,128
composite factor = 2 × 5 × 29 × 2,729 =
791,410
composite factor = 2
2 × 3 × 29 × 2,729 =
949,692
composite factor = 3 × 5 × 29 × 2,729 =
1,187,115
composite factor = 2
2 × 5 × 29 × 2,729 =
1,582,820
composite factor = 2
3 × 3 × 29 × 2,729 =
1,899,384
composite factor = 2 × 3 × 5 × 29 × 2,729 =
2,374,230
composite factor = 2
3 × 5 × 29 × 2,729 =
3,165,640
composite factor = 2
2 × 3 × 5 × 29 × 2,729 =
4,748,460
composite factor = 2
3 × 3 × 5 × 29 × 2,729 =
9,496,920
64 factors (divisors)
What times what is 9,496,920?
What number multiplied by what number equals 9,496,920?
All the combinations of any two natural numbers whose product equals 9,496,920.
1 × 9,496,920 = 9,496,920
2 × 4,748,460 = 9,496,920
3 × 3,165,640 = 9,496,920
4 × 2,374,230 = 9,496,920
5 × 1,899,384 = 9,496,920
6 × 1,582,820 = 9,496,920
8 × 1,187,115 = 9,496,920
10 × 949,692 = 9,496,920
12 × 791,410 = 9,496,920
15 × 633,128 = 9,496,920
20 × 474,846 = 9,496,920
24 × 395,705 = 9,496,920
29 × 327,480 = 9,496,920
30 × 316,564 = 9,496,920
40 × 237,423 = 9,496,920
58 × 163,740 = 9,496,920
60 × 158,282 = 9,496,920
87 × 109,160 = 9,496,920
116 × 81,870 = 9,496,920
120 × 79,141 = 9,496,920
145 × 65,496 = 9,496,920
174 × 54,580 = 9,496,920
232 × 40,935 = 9,496,920
290 × 32,748 = 9,496,920
348 × 27,290 = 9,496,920
435 × 21,832 = 9,496,920
580 × 16,374 = 9,496,920
696 × 13,645 = 9,496,920
870 × 10,916 = 9,496,920
1,160 × 8,187 = 9,496,920
1,740 × 5,458 = 9,496,920
2,729 × 3,480 = 9,496,920
32 unique multiplications The final answer:
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