Greatest Common Factor of 21, 64, 47, 106

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

• Greatest Common Factor of 21, 64, 47, 106 by common division method
• Greatest Common Factor of 21, 64, 47, 106 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 21

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

1,3,7,21

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 47

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

1,47

Factors of 106

List of positive integer factors of 106 that divides 106 without a remainder.

1,2,53,106

Greatest Common Factor

We found the factors 21,64,47,106 . The biggest common factor number is the GCF number.
So the greatest common factor 21,64,47,106 is 1.

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

• GCF of 90, 22, 11, 466
• GCF of 51, 98, 63, 445
• GCF of 84, 10, 41, 671
• GCF of 38, 99, 60, 448
• GCF of 74, 29, 36, 661

1. What is the GCF of 21, 64, 47, 106?

Answer: GCF of 21, 64, 47, 106 is 1.

2. How to Find the GCF of 21, 64, 47, 106

Answer: Greatest Common Factor(GCF) of 21, 64, 47, 106 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 64, 47, 106) = 1.