Greatest Common Factor of 47, 81, 32, 642

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

• Greatest Common Factor of 47, 81, 32, 642 by common division method
• Greatest Common Factor of 47, 81, 32, 642 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 81

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

1,3,9,27,81

Factors of 32

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

1,2,4,8,16,32

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 47,81,32,642 . The biggest common factor number is the GCF number.
So the greatest common factor 47,81,32,642 is 1.

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

• GCF of 14, 68, 63, 854
• GCF of 89, 39, 77, 595
• GCF of 64, 80, 83, 464
• GCF of 82, 35, 85, 256
• GCF of 56, 11, 85, 197

1. What is the GCF of 47, 81, 32, 642?

Answer: GCF of 47, 81, 32, 642 is 1.

2. How to Find the GCF of 47, 81, 32, 642

Answer: Greatest Common Factor(GCF) of 47, 81, 32, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 81, 32, 642) = 1.