Greatest Common Factor of 505, 420
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 505, 420 i.e. 5 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 505, 420 is 5.
GCF(505, 420) = 5
GCF of 505, 420
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 505, 420 by common division method
- Greatest Common Factor of 505, 420 with matching the biggest common factor
GCF of 505,420 is 5
| 5 | 505, 420 |
| 101, 84 |
∴ So the GCF of the given numbers is 5 = 5
Factors of 505
List of positive integer factors of 505 that divides 505 without a remainder.
1,5,101,505
Factors of 420
List of positive integer factors of 420 that divides 420 without a remainder.
1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Greatest Common Factor
We found the factors 505,420 . The biggest common factor number is the GCF number.
So the greatest common factor 505,420 is 5.
GCF of two or more Numbers Calculation Examples
Here are some samples of GCF of two or more Numbers calculations.
Frequently Asked Questions on GCF of 505, 420
1. What is the GCF of 505, 420?
Answer: GCF of 505, 420 is 5.
2. How to Find the GCF of 505, 420
Answer: Greatest Common Factor(GCF) of 505, 420 = 5
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(505, 420) = 5.