To find all the divisors of the number 826,650:
- 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 826,650:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
826,650 = 2 × 32 × 52 × 11 × 167
826,650 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) × (2 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 3 × 2 × 2 = 72
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 826,650
- 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
composite factor = 3
2 =
9
composite factor = 2 × 5 =
10
prime factor =
11
composite factor = 3 × 5 =
15
composite factor = 2 × 3
2 =
18
composite factor = 2 × 11 =
22
composite factor = 5
2 =
25
composite factor = 2 × 3 × 5 =
30
composite factor = 3 × 11 =
33
composite factor = 3
2 × 5 =
45
composite factor = 2 × 5
2 =
50
composite factor = 5 × 11 =
55
composite factor = 2 × 3 × 11 =
66
composite factor = 3 × 5
2 =
75
composite factor = 2 × 3
2 × 5 =
90
composite factor = 3
2 × 11 =
99
composite factor = 2 × 5 × 11 =
110
composite factor = 2 × 3 × 5
2 =
150
composite factor = 3 × 5 × 11 =
165
prime factor =
167
composite factor = 2 × 3
2 × 11 =
198
composite factor = 3
2 × 5
2 =
225
composite factor = 5
2 × 11 =
275
composite factor = 2 × 3 × 5 × 11 =
330
composite factor = 2 × 167 =
334
composite factor = 2 × 3
2 × 5
2 =
450
composite factor = 3
2 × 5 × 11 =
495
composite factor = 3 × 167 =
501
composite factor = 2 × 5
2 × 11 =
550
composite factor = 3 × 5
2 × 11 =
825
composite factor = 5 × 167 =
835
This list continues below...
... This list continues from above
composite factor = 2 × 3
2 × 5 × 11 =
990
composite factor = 2 × 3 × 167 =
1,002
composite factor = 3
2 × 167 =
1,503
composite factor = 2 × 3 × 5
2 × 11 =
1,650
composite factor = 2 × 5 × 167 =
1,670
composite factor = 11 × 167 =
1,837
composite factor = 3
2 × 5
2 × 11 =
2,475
composite factor = 3 × 5 × 167 =
2,505
composite factor = 2 × 3
2 × 167 =
3,006
composite factor = 2 × 11 × 167 =
3,674
composite factor = 5
2 × 167 =
4,175
composite factor = 2 × 3
2 × 5
2 × 11 =
4,950
composite factor = 2 × 3 × 5 × 167 =
5,010
composite factor = 3 × 11 × 167 =
5,511
composite factor = 3
2 × 5 × 167 =
7,515
composite factor = 2 × 5
2 × 167 =
8,350
composite factor = 5 × 11 × 167 =
9,185
composite factor = 2 × 3 × 11 × 167 =
11,022
composite factor = 3 × 5
2 × 167 =
12,525
composite factor = 2 × 3
2 × 5 × 167 =
15,030
composite factor = 3
2 × 11 × 167 =
16,533
composite factor = 2 × 5 × 11 × 167 =
18,370
composite factor = 2 × 3 × 5
2 × 167 =
25,050
composite factor = 3 × 5 × 11 × 167 =
27,555
composite factor = 2 × 3
2 × 11 × 167 =
33,066
composite factor = 3
2 × 5
2 × 167 =
37,575
composite factor = 5
2 × 11 × 167 =
45,925
composite factor = 2 × 3 × 5 × 11 × 167 =
55,110
composite factor = 2 × 3
2 × 5
2 × 167 =
75,150
composite factor = 3
2 × 5 × 11 × 167 =
82,665
composite factor = 2 × 5
2 × 11 × 167 =
91,850
composite factor = 3 × 5
2 × 11 × 167 =
137,775
composite factor = 2 × 3
2 × 5 × 11 × 167 =
165,330
composite factor = 2 × 3 × 5
2 × 11 × 167 =
275,550
composite factor = 3
2 × 5
2 × 11 × 167 =
413,325
composite factor = 2 × 3
2 × 5
2 × 11 × 167 =
826,650
72 factors (divisors)
What times what is 826,650?
What number multiplied by what number equals 826,650?
All the combinations of any two natural numbers whose product equals 826,650.
1 × 826,650 = 826,650
2 × 413,325 = 826,650
3 × 275,550 = 826,650
5 × 165,330 = 826,650
6 × 137,775 = 826,650
9 × 91,850 = 826,650
10 × 82,665 = 826,650
11 × 75,150 = 826,650
15 × 55,110 = 826,650
18 × 45,925 = 826,650
22 × 37,575 = 826,650
25 × 33,066 = 826,650
30 × 27,555 = 826,650
33 × 25,050 = 826,650
45 × 18,370 = 826,650
50 × 16,533 = 826,650
55 × 15,030 = 826,650
66 × 12,525 = 826,650
75 × 11,022 = 826,650
90 × 9,185 = 826,650
99 × 8,350 = 826,650
110 × 7,515 = 826,650
150 × 5,511 = 826,650
165 × 5,010 = 826,650
167 × 4,950 = 826,650
198 × 4,175 = 826,650
225 × 3,674 = 826,650
275 × 3,006 = 826,650
330 × 2,505 = 826,650
334 × 2,475 = 826,650
450 × 1,837 = 826,650
495 × 1,670 = 826,650
501 × 1,650 = 826,650
550 × 1,503 = 826,650
825 × 1,002 = 826,650
835 × 990 = 826,650
36 unique multiplications The final answer:
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