Greatest Common Factor of 21, 69, 56, 63, 56

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

• Greatest Common Factor of 21, 69, 56, 63, 56 by common division method
• Greatest Common Factor of 21, 69, 56, 63, 56 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

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

1,3,7,21

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 56

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

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

Factors of 63

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

1,3,7,9,21,63

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 21,69,56,63,56 . The biggest common factor number is the GCF number.
So the greatest common factor 21,69,56,63,56 is 1.

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

• GCF of 10, 70, 32, 28, 36
• GCF of 16, 53, 27, 89, 51
• GCF of 46, 98, 10, 41, 98
• GCF of 27, 16, 68, 33, 58
• GCF of 47, 47, 25, 66, 16

1. What is the GCF of 21, 69, 56, 63, 56?

Answer: GCF of 21, 69, 56, 63, 56 is 1.

2. How to Find the GCF of 21, 69, 56, 63, 56

Answer: Greatest Common Factor(GCF) of 21, 69, 56, 63, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 69, 56, 63, 56) = 1.