To find all the divisors of the number 1,000,000,050:
- 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 1,000,000,050:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,000,000,050 = 2 × 3 × 52 × 7 × 952,381
1,000,000,050 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) × (1 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 3 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,000,000,050
- 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
prime factor =
7
composite factor = 2 × 5 =
10
composite factor = 2 × 7 =
14
composite factor = 3 × 5 =
15
composite factor = 3 × 7 =
21
composite factor = 5
2 =
25
composite factor = 2 × 3 × 5 =
30
composite factor = 5 × 7 =
35
composite factor = 2 × 3 × 7 =
42
composite factor = 2 × 5
2 =
50
composite factor = 2 × 5 × 7 =
70
composite factor = 3 × 5
2 =
75
composite factor = 3 × 5 × 7 =
105
composite factor = 2 × 3 × 5
2 =
150
composite factor = 5
2 × 7 =
175
composite factor = 2 × 3 × 5 × 7 =
210
composite factor = 2 × 5
2 × 7 =
350
composite factor = 3 × 5
2 × 7 =
525
composite factor = 2 × 3 × 5
2 × 7 =
1,050
This list continues below...
... This list continues from above
prime factor =
952,381
composite factor = 2 × 952,381 =
1,904,762
composite factor = 3 × 952,381 =
2,857,143
composite factor = 5 × 952,381 =
4,761,905
composite factor = 2 × 3 × 952,381 =
5,714,286
composite factor = 7 × 952,381 =
6,666,667
composite factor = 2 × 5 × 952,381 =
9,523,810
composite factor = 2 × 7 × 952,381 =
13,333,334
composite factor = 3 × 5 × 952,381 =
14,285,715
composite factor = 3 × 7 × 952,381 =
20,000,001
composite factor = 5
2 × 952,381 =
23,809,525
composite factor = 2 × 3 × 5 × 952,381 =
28,571,430
composite factor = 5 × 7 × 952,381 =
33,333,335
composite factor = 2 × 3 × 7 × 952,381 =
40,000,002
composite factor = 2 × 5
2 × 952,381 =
47,619,050
composite factor = 2 × 5 × 7 × 952,381 =
66,666,670
composite factor = 3 × 5
2 × 952,381 =
71,428,575
composite factor = 3 × 5 × 7 × 952,381 =
100,000,005
composite factor = 2 × 3 × 5
2 × 952,381 =
142,857,150
composite factor = 5
2 × 7 × 952,381 =
166,666,675
composite factor = 2 × 3 × 5 × 7 × 952,381 =
200,000,010
composite factor = 2 × 5
2 × 7 × 952,381 =
333,333,350
composite factor = 3 × 5
2 × 7 × 952,381 =
500,000,025
composite factor = 2 × 3 × 5
2 × 7 × 952,381 =
1,000,000,050
48 factors (divisors)
What times what is 1,000,000,050?
What number multiplied by what number equals 1,000,000,050?
All the combinations of any two natural numbers whose product equals 1,000,000,050.
1 × 1,000,000,050 = 1,000,000,050
2 × 500,000,025 = 1,000,000,050
3 × 333,333,350 = 1,000,000,050
5 × 200,000,010 = 1,000,000,050
6 × 166,666,675 = 1,000,000,050
7 × 142,857,150 = 1,000,000,050
10 × 100,000,005 = 1,000,000,050
14 × 71,428,575 = 1,000,000,050
15 × 66,666,670 = 1,000,000,050
21 × 47,619,050 = 1,000,000,050
25 × 40,000,002 = 1,000,000,050
30 × 33,333,335 = 1,000,000,050
35 × 28,571,430 = 1,000,000,050
42 × 23,809,525 = 1,000,000,050
50 × 20,000,001 = 1,000,000,050
70 × 14,285,715 = 1,000,000,050
75 × 13,333,334 = 1,000,000,050
105 × 9,523,810 = 1,000,000,050
150 × 6,666,667 = 1,000,000,050
175 × 5,714,286 = 1,000,000,050
210 × 4,761,905 = 1,000,000,050
350 × 2,857,143 = 1,000,000,050
525 × 1,904,762 = 1,000,000,050
1,050 × 952,381 = 1,000,000,050
24 unique multiplications The final answer:
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