Greatest Common Factor of 21, 11, 94, 57

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

• Greatest Common Factor of 21, 11, 94, 57 by common division method
• Greatest Common Factor of 21, 11, 94, 57 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 94

List of positive integer factors of 94 that divides 94 without a remainder.

1,2,47,94

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 21,11,94,57 . The biggest common factor number is the GCF number.
So the greatest common factor 21,11,94,57 is 1.

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

• GCF of 57, 31, 99, 34
• GCF of 67, 77, 64, 70
• GCF of 78, 38, 36, 31
• GCF of 76, 21, 63, 69
• GCF of 82, 36, 61, 47

1. What is the GCF of 21, 11, 94, 57?

Answer: GCF of 21, 11, 94, 57 is 1.

2. How to Find the GCF of 21, 11, 94, 57

Answer: Greatest Common Factor(GCF) of 21, 11, 94, 57 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 11, 94, 57) = 1.