Greatest Common Factor of 63, 49, 21, 56

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

• Greatest Common Factor of 63, 49, 21, 56 by common division method
• Greatest Common Factor of 63, 49, 21, 56 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 63

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

1,3,7,9,21,63

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 21

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

1,3,7,21

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 63,49,21,56 . The biggest common factor number is the GCF number.
So the greatest common factor 63,49,21,56 is 7.

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

• GCF of 54, 69, 51, 67
• GCF of 49, 62, 55, 62
• GCF of 70, 86, 90, 35
• GCF of 29, 33, 82, 85
• GCF of 75, 80, 24, 84

1. What is the GCF of 63, 49, 21, 56?

Answer: GCF of 63, 49, 21, 56 is 7.

2. How to Find the GCF of 63, 49, 21, 56

Answer: Greatest Common Factor(GCF) of 63, 49, 21, 56 = 7

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

Step 2: Then multiply all the prime factors GCF(63, 49, 21, 56) = 7.