GCF for 90 and 325
What is the Greatest Common Divisor of 90 and 325?
Answer
(Five)
Finding GCF for 90 and 325 using all factors (divisors) listing
The first method to find GCF for numbers 90 and 325 is to list all factors for both numbers and pick the highest common one:
All factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
All factors of 325: 1, 5, 13, 25, 65, 325
So the Greatest Common Factor for 90 and 325 is 5
Finding GCF for 90 and 325 by Prime Factorization
The second method to find GCF for numbers 90 and 325 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 90: 2, 3, 3, 5
All Prime Factors of 325: 5, 5, 13
As we can see there is only one Prime Factor common to both numbers. It is 5
So 5 is the Greatest Common Factor of 90 and 325
Related Calculations
See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 75 | 325 | 25 |
| 76 | 325 | 1 |
| 77 | 325 | 1 |
| 78 | 325 | 13 |
| 79 | 325 | 1 |
| 80 | 325 | 5 |
| 81 | 325 | 1 |
| 82 | 325 | 1 |
| 83 | 325 | 1 |
| 84 | 325 | 1 |
| 85 | 325 | 5 |
| 86 | 325 | 1 |
| 87 | 325 | 1 |
| 88 | 325 | 1 |
| 89 | 325 | 1 |
| 90 | 325 | 5 |
| 91 | 325 | 13 |
| 92 | 325 | 1 |
| 93 | 325 | 1 |
| 94 | 325 | 1 |
| 95 | 325 | 5 |
| 96 | 325 | 1 |
| 97 | 325 | 1 |
| 98 | 325 | 1 |
| 99 | 325 | 1 |
| 100 | 325 | 25 |
| 101 | 325 | 1 |
| 102 | 325 | 1 |
| 103 | 325 | 1 |
| 104 | 325 | 13 |
About "Greatest Common Factor" Calculator
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder.