Greatest Common Factor of 40, 21, 63, 968

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

• Greatest Common Factor of 40, 21, 63, 968 by common division method
• Greatest Common Factor of 40, 21, 63, 968 with matching the biggest common factor

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

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 968

List of positive integer factors of 968 that divides 968 without a remainder.

1,2,4,8,11,22,44,88,121,242,484,968

Greatest Common Factor

We found the factors 40,21,63,968 . The biggest common factor number is the GCF number.
So the greatest common factor 40,21,63,968 is 1.

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

• GCF of 60, 60, 76, 300
• GCF of 25, 65, 86, 527
• GCF of 33, 92, 23, 555
• GCF of 52, 50, 30, 768
• GCF of 56, 44, 56, 750

1. What is the GCF of 40, 21, 63, 968?

Answer: GCF of 40, 21, 63, 968 is 1.

2. How to Find the GCF of 40, 21, 63, 968

Answer: Greatest Common Factor(GCF) of 40, 21, 63, 968 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 21, 63, 968) = 1.