Greatest Common Factor of 63, 32, 81, 40

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

• Greatest Common Factor of 63, 32, 81, 40 by common division method
• Greatest Common Factor of 63, 32, 81, 40 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 63

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

1,3,7,9,21,63

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 40

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

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

Greatest Common Factor

We found the factors 63,32,81,40 . The biggest common factor number is the GCF number.
So the greatest common factor 63,32,81,40 is 1.

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

• GCF of 66, 58, 15, 69
• GCF of 72, 12, 76, 52
• GCF of 55, 83, 75, 39
• GCF of 94, 65, 42, 20
• GCF of 68, 32, 91, 12

1. What is the GCF of 63, 32, 81, 40?

Answer: GCF of 63, 32, 81, 40 is 1.

2. How to Find the GCF of 63, 32, 81, 40

Answer: Greatest Common Factor(GCF) of 63, 32, 81, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 32, 81, 40) = 1.