Greatest Common Factor of 57, 20, 20, 215

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

• Greatest Common Factor of 57, 20, 20, 215 by common division method
• Greatest Common Factor of 57, 20, 20, 215 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 57

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

1,3,19,57

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 215

List of positive integer factors of 215 that divides 215 without a remainder.

1,5,43,215

Greatest Common Factor

We found the factors 57,20,20,215 . The biggest common factor number is the GCF number.
So the greatest common factor 57,20,20,215 is 1.

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

• GCF of 74, 21, 32, 617
• GCF of 14, 27, 58, 142
• GCF of 10, 15, 42, 420
• GCF of 49, 52, 32, 924
• GCF of 85, 71, 67, 235

1. What is the GCF of 57, 20, 20, 215?

Answer: GCF of 57, 20, 20, 215 is 1.

2. How to Find the GCF of 57, 20, 20, 215

Answer: Greatest Common Factor(GCF) of 57, 20, 20, 215 = 1

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

Step 2: Then multiply all the prime factors GCF(57, 20, 20, 215) = 1.