To find all the divisors of the number 5,040,084:
- 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 5,040,084:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
5,040,084 = 22 × 3 × 7 × 29 × 2,069
5,040,084 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) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 5,040,084
- 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 = 2
2 × 3 =
12
composite factor = 2 × 7 =
14
composite factor = 3 × 7 =
21
composite factor = 2
2 × 7 =
28
prime factor =
29
composite factor = 2 × 3 × 7 =
42
composite factor = 2 × 29 =
58
composite factor = 2
2 × 3 × 7 =
84
composite factor = 3 × 29 =
87
composite factor = 2
2 × 29 =
116
composite factor = 2 × 3 × 29 =
174
composite factor = 7 × 29 =
203
composite factor = 2
2 × 3 × 29 =
348
composite factor = 2 × 7 × 29 =
406
composite factor = 3 × 7 × 29 =
609
composite factor = 2
2 × 7 × 29 =
812
composite factor = 2 × 3 × 7 × 29 =
1,218
prime factor =
2,069
This list continues below...
... This list continues from above
composite factor = 2
2 × 3 × 7 × 29 =
2,436
composite factor = 2 × 2,069 =
4,138
composite factor = 3 × 2,069 =
6,207
composite factor = 2
2 × 2,069 =
8,276
composite factor = 2 × 3 × 2,069 =
12,414
composite factor = 7 × 2,069 =
14,483
composite factor = 2
2 × 3 × 2,069 =
24,828
composite factor = 2 × 7 × 2,069 =
28,966
composite factor = 3 × 7 × 2,069 =
43,449
composite factor = 2
2 × 7 × 2,069 =
57,932
composite factor = 29 × 2,069 =
60,001
composite factor = 2 × 3 × 7 × 2,069 =
86,898
composite factor = 2 × 29 × 2,069 =
120,002
composite factor = 2
2 × 3 × 7 × 2,069 =
173,796
composite factor = 3 × 29 × 2,069 =
180,003
composite factor = 2
2 × 29 × 2,069 =
240,004
composite factor = 2 × 3 × 29 × 2,069 =
360,006
composite factor = 7 × 29 × 2,069 =
420,007
composite factor = 2
2 × 3 × 29 × 2,069 =
720,012
composite factor = 2 × 7 × 29 × 2,069 =
840,014
composite factor = 3 × 7 × 29 × 2,069 =
1,260,021
composite factor = 2
2 × 7 × 29 × 2,069 =
1,680,028
composite factor = 2 × 3 × 7 × 29 × 2,069 =
2,520,042
composite factor = 2
2 × 3 × 7 × 29 × 2,069 =
5,040,084
48 factors (divisors)
What times what is 5,040,084?
What number multiplied by what number equals 5,040,084?
All the combinations of any two natural numbers whose product equals 5,040,084.
1 × 5,040,084 = 5,040,084
2 × 2,520,042 = 5,040,084
3 × 1,680,028 = 5,040,084
4 × 1,260,021 = 5,040,084
6 × 840,014 = 5,040,084
7 × 720,012 = 5,040,084
12 × 420,007 = 5,040,084
14 × 360,006 = 5,040,084
21 × 240,004 = 5,040,084
28 × 180,003 = 5,040,084
29 × 173,796 = 5,040,084
42 × 120,002 = 5,040,084
58 × 86,898 = 5,040,084
84 × 60,001 = 5,040,084
87 × 57,932 = 5,040,084
116 × 43,449 = 5,040,084
174 × 28,966 = 5,040,084
203 × 24,828 = 5,040,084
348 × 14,483 = 5,040,084
406 × 12,414 = 5,040,084
609 × 8,276 = 5,040,084
812 × 6,207 = 5,040,084
1,218 × 4,138 = 5,040,084
2,069 × 2,436 = 5,040,084
24 unique multiplications The final answer:
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