Greatest Common Factor of 64, 67, 81, 31

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

• Greatest Common Factor of 64, 67, 81, 31 by common division method
• Greatest Common Factor of 64, 67, 81, 31 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 81

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

1,3,9,27,81

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Greatest Common Factor

We found the factors 64,67,81,31 . The biggest common factor number is the GCF number.
So the greatest common factor 64,67,81,31 is 1.

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

• GCF of 76, 84, 31, 46
• GCF of 70, 34, 94, 48
• GCF of 19, 45, 70, 21
• GCF of 84, 75, 50, 53
• GCF of 38, 11, 64, 62

1. What is the GCF of 64, 67, 81, 31?

Answer: GCF of 64, 67, 81, 31 is 1.

2. How to Find the GCF of 64, 67, 81, 31

Answer: Greatest Common Factor(GCF) of 64, 67, 81, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 67, 81, 31) = 1.