To find all the divisors of the number 330,876:
- 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 330,876:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
330,876 = 22 × 32 × 7 × 13 × 101
330,876 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 = (2 + 1) × (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 3 × 2 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 330,876
- 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
composite factor = 2 × 3 =
6
prime factor =
7
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
prime factor =
13
composite factor = 2 × 7 =
14
composite factor = 2 × 3
2 =
18
composite factor = 3 × 7 =
21
composite factor = 2 × 13 =
26
composite factor = 2
2 × 7 =
28
composite factor = 2
2 × 3
2 =
36
composite factor = 3 × 13 =
39
composite factor = 2 × 3 × 7 =
42
composite factor = 2
2 × 13 =
52
composite factor = 3
2 × 7 =
63
composite factor = 2 × 3 × 13 =
78
composite factor = 2
2 × 3 × 7 =
84
composite factor = 7 × 13 =
91
prime factor =
101
composite factor = 3
2 × 13 =
117
composite factor = 2 × 3
2 × 7 =
126
composite factor = 2
2 × 3 × 13 =
156
composite factor = 2 × 7 × 13 =
182
composite factor = 2 × 101 =
202
composite factor = 2 × 3
2 × 13 =
234
composite factor = 2
2 × 3
2 × 7 =
252
composite factor = 3 × 7 × 13 =
273
composite factor = 3 × 101 =
303
composite factor = 2
2 × 7 × 13 =
364
composite factor = 2
2 × 101 =
404
composite factor = 2
2 × 3
2 × 13 =
468
composite factor = 2 × 3 × 7 × 13 =
546
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 101 =
606
composite factor = 7 × 101 =
707
composite factor = 3
2 × 7 × 13 =
819
composite factor = 3
2 × 101 =
909
composite factor = 2
2 × 3 × 7 × 13 =
1,092
composite factor = 2
2 × 3 × 101 =
1,212
composite factor = 13 × 101 =
1,313
composite factor = 2 × 7 × 101 =
1,414
composite factor = 2 × 3
2 × 7 × 13 =
1,638
composite factor = 2 × 3
2 × 101 =
1,818
composite factor = 3 × 7 × 101 =
2,121
composite factor = 2 × 13 × 101 =
2,626
composite factor = 2
2 × 7 × 101 =
2,828
composite factor = 2
2 × 3
2 × 7 × 13 =
3,276
composite factor = 2
2 × 3
2 × 101 =
3,636
composite factor = 3 × 13 × 101 =
3,939
composite factor = 2 × 3 × 7 × 101 =
4,242
composite factor = 2
2 × 13 × 101 =
5,252
composite factor = 3
2 × 7 × 101 =
6,363
composite factor = 2 × 3 × 13 × 101 =
7,878
composite factor = 2
2 × 3 × 7 × 101 =
8,484
composite factor = 7 × 13 × 101 =
9,191
composite factor = 3
2 × 13 × 101 =
11,817
composite factor = 2 × 3
2 × 7 × 101 =
12,726
composite factor = 2
2 × 3 × 13 × 101 =
15,756
composite factor = 2 × 7 × 13 × 101 =
18,382
composite factor = 2 × 3
2 × 13 × 101 =
23,634
composite factor = 2
2 × 3
2 × 7 × 101 =
25,452
composite factor = 3 × 7 × 13 × 101 =
27,573
composite factor = 2
2 × 7 × 13 × 101 =
36,764
composite factor = 2
2 × 3
2 × 13 × 101 =
47,268
composite factor = 2 × 3 × 7 × 13 × 101 =
55,146
composite factor = 3
2 × 7 × 13 × 101 =
82,719
composite factor = 2
2 × 3 × 7 × 13 × 101 =
110,292
composite factor = 2 × 3
2 × 7 × 13 × 101 =
165,438
composite factor = 2
2 × 3
2 × 7 × 13 × 101 =
330,876
72 factors (divisors)
What times what is 330,876?
What number multiplied by what number equals 330,876?
All the combinations of any two natural numbers whose product equals 330,876.
1 × 330,876 = 330,876
2 × 165,438 = 330,876
3 × 110,292 = 330,876
4 × 82,719 = 330,876
6 × 55,146 = 330,876
7 × 47,268 = 330,876
9 × 36,764 = 330,876
12 × 27,573 = 330,876
13 × 25,452 = 330,876
14 × 23,634 = 330,876
18 × 18,382 = 330,876
21 × 15,756 = 330,876
26 × 12,726 = 330,876
28 × 11,817 = 330,876
36 × 9,191 = 330,876
39 × 8,484 = 330,876
42 × 7,878 = 330,876
52 × 6,363 = 330,876
63 × 5,252 = 330,876
78 × 4,242 = 330,876
84 × 3,939 = 330,876
91 × 3,636 = 330,876
101 × 3,276 = 330,876
117 × 2,828 = 330,876
126 × 2,626 = 330,876
156 × 2,121 = 330,876
182 × 1,818 = 330,876
202 × 1,638 = 330,876
234 × 1,414 = 330,876
252 × 1,313 = 330,876
273 × 1,212 = 330,876
303 × 1,092 = 330,876
364 × 909 = 330,876
404 × 819 = 330,876
468 × 707 = 330,876
546 × 606 = 330,876
36 unique multiplications The final answer:
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