To find all the divisors of the number 4,620,006:
- 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 4,620,006:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
4,620,006 = 2 × 32 × 43 × 47 × 127
4,620,006 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) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 4,620,006
- 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 × 3 =
6
composite factor = 3
2 =
9
composite factor = 2 × 3
2 =
18
prime factor =
43
prime factor =
47
composite factor = 2 × 43 =
86
composite factor = 2 × 47 =
94
prime factor =
127
composite factor = 3 × 43 =
129
composite factor = 3 × 47 =
141
composite factor = 2 × 127 =
254
composite factor = 2 × 3 × 43 =
258
composite factor = 2 × 3 × 47 =
282
composite factor = 3 × 127 =
381
composite factor = 3
2 × 43 =
387
composite factor = 3
2 × 47 =
423
composite factor = 2 × 3 × 127 =
762
composite factor = 2 × 3
2 × 43 =
774
composite factor = 2 × 3
2 × 47 =
846
composite factor = 3
2 × 127 =
1,143
composite factor = 43 × 47 =
2,021
This list continues below...
... This list continues from above
composite factor = 2 × 3
2 × 127 =
2,286
composite factor = 2 × 43 × 47 =
4,042
composite factor = 43 × 127 =
5,461
composite factor = 47 × 127 =
5,969
composite factor = 3 × 43 × 47 =
6,063
composite factor = 2 × 43 × 127 =
10,922
composite factor = 2 × 47 × 127 =
11,938
composite factor = 2 × 3 × 43 × 47 =
12,126
composite factor = 3 × 43 × 127 =
16,383
composite factor = 3 × 47 × 127 =
17,907
composite factor = 3
2 × 43 × 47 =
18,189
composite factor = 2 × 3 × 43 × 127 =
32,766
composite factor = 2 × 3 × 47 × 127 =
35,814
composite factor = 2 × 3
2 × 43 × 47 =
36,378
composite factor = 3
2 × 43 × 127 =
49,149
composite factor = 3
2 × 47 × 127 =
53,721
composite factor = 2 × 3
2 × 43 × 127 =
98,298
composite factor = 2 × 3
2 × 47 × 127 =
107,442
composite factor = 43 × 47 × 127 =
256,667
composite factor = 2 × 43 × 47 × 127 =
513,334
composite factor = 3 × 43 × 47 × 127 =
770,001
composite factor = 2 × 3 × 43 × 47 × 127 =
1,540,002
composite factor = 3
2 × 43 × 47 × 127 =
2,310,003
composite factor = 2 × 3
2 × 43 × 47 × 127 =
4,620,006
48 factors (divisors)
What times what is 4,620,006?
What number multiplied by what number equals 4,620,006?
All the combinations of any two natural numbers whose product equals 4,620,006.
1 × 4,620,006 = 4,620,006
2 × 2,310,003 = 4,620,006
3 × 1,540,002 = 4,620,006
6 × 770,001 = 4,620,006
9 × 513,334 = 4,620,006
18 × 256,667 = 4,620,006
43 × 107,442 = 4,620,006
47 × 98,298 = 4,620,006
86 × 53,721 = 4,620,006
94 × 49,149 = 4,620,006
127 × 36,378 = 4,620,006
129 × 35,814 = 4,620,006
141 × 32,766 = 4,620,006
254 × 18,189 = 4,620,006
258 × 17,907 = 4,620,006
282 × 16,383 = 4,620,006
381 × 12,126 = 4,620,006
387 × 11,938 = 4,620,006
423 × 10,922 = 4,620,006
762 × 6,063 = 4,620,006
774 × 5,969 = 4,620,006
846 × 5,461 = 4,620,006
1,143 × 4,042 = 4,620,006
2,021 × 2,286 = 4,620,006
24 unique multiplications The final answer:
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