To find all the divisors of the number 9,367,904:
- 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 9,367,904:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
9,367,904 = 25 × 7 × 13 × 3,217
9,367,904 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) × (1 + 1) × (1 + 1) × (1 + 1) = 6 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 9,367,904
- 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 =
7
composite factor = 2
3 =
8
prime factor =
13
composite factor = 2 × 7 =
14
composite factor = 2
4 =
16
composite factor = 2 × 13 =
26
composite factor = 2
2 × 7 =
28
composite factor = 2
5 =
32
composite factor = 2
2 × 13 =
52
composite factor = 2
3 × 7 =
56
composite factor = 7 × 13 =
91
composite factor = 2
3 × 13 =
104
composite factor = 2
4 × 7 =
112
composite factor = 2 × 7 × 13 =
182
composite factor = 2
4 × 13 =
208
composite factor = 2
5 × 7 =
224
composite factor = 2
2 × 7 × 13 =
364
composite factor = 2
5 × 13 =
416
composite factor = 2
3 × 7 × 13 =
728
composite factor = 2
4 × 7 × 13 =
1,456
composite factor = 2
5 × 7 × 13 =
2,912
This list continues below...
... This list continues from above
prime factor =
3,217
composite factor = 2 × 3,217 =
6,434
composite factor = 2
2 × 3,217 =
12,868
composite factor = 7 × 3,217 =
22,519
composite factor = 2
3 × 3,217 =
25,736
composite factor = 13 × 3,217 =
41,821
composite factor = 2 × 7 × 3,217 =
45,038
composite factor = 2
4 × 3,217 =
51,472
composite factor = 2 × 13 × 3,217 =
83,642
composite factor = 2
2 × 7 × 3,217 =
90,076
composite factor = 2
5 × 3,217 =
102,944
composite factor = 2
2 × 13 × 3,217 =
167,284
composite factor = 2
3 × 7 × 3,217 =
180,152
composite factor = 7 × 13 × 3,217 =
292,747
composite factor = 2
3 × 13 × 3,217 =
334,568
composite factor = 2
4 × 7 × 3,217 =
360,304
composite factor = 2 × 7 × 13 × 3,217 =
585,494
composite factor = 2
4 × 13 × 3,217 =
669,136
composite factor = 2
5 × 7 × 3,217 =
720,608
composite factor = 2
2 × 7 × 13 × 3,217 =
1,170,988
composite factor = 2
5 × 13 × 3,217 =
1,338,272
composite factor = 2
3 × 7 × 13 × 3,217 =
2,341,976
composite factor = 2
4 × 7 × 13 × 3,217 =
4,683,952
composite factor = 2
5 × 7 × 13 × 3,217 =
9,367,904
48 factors (divisors)
What times what is 9,367,904?
What number multiplied by what number equals 9,367,904?
All the combinations of any two natural numbers whose product equals 9,367,904.
1 × 9,367,904 = 9,367,904
2 × 4,683,952 = 9,367,904
4 × 2,341,976 = 9,367,904
7 × 1,338,272 = 9,367,904
8 × 1,170,988 = 9,367,904
13 × 720,608 = 9,367,904
14 × 669,136 = 9,367,904
16 × 585,494 = 9,367,904
26 × 360,304 = 9,367,904
28 × 334,568 = 9,367,904
32 × 292,747 = 9,367,904
52 × 180,152 = 9,367,904
56 × 167,284 = 9,367,904
91 × 102,944 = 9,367,904
104 × 90,076 = 9,367,904
112 × 83,642 = 9,367,904
182 × 51,472 = 9,367,904
208 × 45,038 = 9,367,904
224 × 41,821 = 9,367,904
364 × 25,736 = 9,367,904
416 × 22,519 = 9,367,904
728 × 12,868 = 9,367,904
1,456 × 6,434 = 9,367,904
2,912 × 3,217 = 9,367,904
24 unique multiplications The final answer:
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