Greatest Common Factor of 42, 1239
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 42, 1239 i.e. 21 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 42, 1239 is 21.
GCF(42, 1239) = 21
GCF of 42, 1239
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 42, 1239 by common division method
- Greatest Common Factor of 42, 1239 with matching the biggest common factor
GCF of 42,1239 is 21
| 3 | 42, 1239 |
| 7 | 14, 413 |
| 2, 59 |
∴ So the GCF of the given numbers is 3 x 7 = 21
Factors of 42
List of positive integer factors of 42 that divides 42 without a remainder.
1,2,3,6,7,14,21,42
Factors of 1239
List of positive integer factors of 1239 that divides 1239 without a remainder.
1,3,7,21,59,177,413,1239
Greatest Common Factor
We found the factors 42,1239 . The biggest common factor number is the GCF number.
So the greatest common factor 42,1239 is 21.
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 42, 1239
1. What is the GCF of 42, 1239?
Answer: GCF of 42, 1239 is 21.
2. How to Find the GCF of 42, 1239
Answer: Greatest Common Factor(GCF) of 42, 1239 = 21
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(42, 1239) = 21.