To find all the divisors of the number 550,050:
- 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 550,050:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
550,050 = 2 × 3 × 52 × 19 × 193
550,050 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 550,050
- 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
composite factor = 2 × 5 =
10
composite factor = 3 × 5 =
15
prime factor =
19
composite factor = 5
2 =
25
composite factor = 2 × 3 × 5 =
30
composite factor = 2 × 19 =
38
composite factor = 2 × 5
2 =
50
composite factor = 3 × 19 =
57
composite factor = 3 × 5
2 =
75
composite factor = 5 × 19 =
95
composite factor = 2 × 3 × 19 =
114
composite factor = 2 × 3 × 5
2 =
150
composite factor = 2 × 5 × 19 =
190
prime factor =
193
composite factor = 3 × 5 × 19 =
285
composite factor = 2 × 193 =
386
composite factor = 5
2 × 19 =
475
composite factor = 2 × 3 × 5 × 19 =
570
composite factor = 3 × 193 =
579
This list continues below...
... This list continues from above
composite factor = 2 × 5
2 × 19 =
950
composite factor = 5 × 193 =
965
composite factor = 2 × 3 × 193 =
1,158
composite factor = 3 × 5
2 × 19 =
1,425
composite factor = 2 × 5 × 193 =
1,930
composite factor = 2 × 3 × 5
2 × 19 =
2,850
composite factor = 3 × 5 × 193 =
2,895
composite factor = 19 × 193 =
3,667
composite factor = 5
2 × 193 =
4,825
composite factor = 2 × 3 × 5 × 193 =
5,790
composite factor = 2 × 19 × 193 =
7,334
composite factor = 2 × 5
2 × 193 =
9,650
composite factor = 3 × 19 × 193 =
11,001
composite factor = 3 × 5
2 × 193 =
14,475
composite factor = 5 × 19 × 193 =
18,335
composite factor = 2 × 3 × 19 × 193 =
22,002
composite factor = 2 × 3 × 5
2 × 193 =
28,950
composite factor = 2 × 5 × 19 × 193 =
36,670
composite factor = 3 × 5 × 19 × 193 =
55,005
composite factor = 5
2 × 19 × 193 =
91,675
composite factor = 2 × 3 × 5 × 19 × 193 =
110,010
composite factor = 2 × 5
2 × 19 × 193 =
183,350
composite factor = 3 × 5
2 × 19 × 193 =
275,025
composite factor = 2 × 3 × 5
2 × 19 × 193 =
550,050
48 factors (divisors)
What times what is 550,050?
What number multiplied by what number equals 550,050?
All the combinations of any two natural numbers whose product equals 550,050.
1 × 550,050 = 550,050
2 × 275,025 = 550,050
3 × 183,350 = 550,050
5 × 110,010 = 550,050
6 × 91,675 = 550,050
10 × 55,005 = 550,050
15 × 36,670 = 550,050
19 × 28,950 = 550,050
25 × 22,002 = 550,050
30 × 18,335 = 550,050
38 × 14,475 = 550,050
50 × 11,001 = 550,050
57 × 9,650 = 550,050
75 × 7,334 = 550,050
95 × 5,790 = 550,050
114 × 4,825 = 550,050
150 × 3,667 = 550,050
190 × 2,895 = 550,050
193 × 2,850 = 550,050
285 × 1,930 = 550,050
386 × 1,425 = 550,050
475 × 1,158 = 550,050
570 × 965 = 550,050
579 × 950 = 550,050
24 unique multiplications The final answer:
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