Greatest Common Factor of 42, 21, 63, 854

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 42, 21, 63, 854 by common division method
• Greatest Common Factor of 42, 21, 63, 854 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 854

List of positive integer factors of 854 that divides 854 without a remainder.

1,2,7,14,61,122,427,854

Greatest Common Factor

We found the factors 42,21,63,854 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,63,854 is 7.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 20, 59, 93, 135
• GCF of 12, 44, 59, 330
• GCF of 79, 80, 20, 788
• GCF of 53, 69, 96, 202
• GCF of 54, 66, 44, 421

1. What is the GCF of 42, 21, 63, 854?

Answer: GCF of 42, 21, 63, 854 is 7.

2. How to Find the GCF of 42, 21, 63, 854

Answer: Greatest Common Factor(GCF) of 42, 21, 63, 854 = 7

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(42, 21, 63, 854) = 7.