Greatest Common Factor of 16, 21, 57, 235

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

• Greatest Common Factor of 16, 21, 57, 235 by common division method
• Greatest Common Factor of 16, 21, 57, 235 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 21

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

1,3,7,21

Factors of 57

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

1,3,19,57

Factors of 235

List of positive integer factors of 235 that divides 235 without a remainder.

1,5,47,235

Greatest Common Factor

We found the factors 16,21,57,235 . The biggest common factor number is the GCF number.
So the greatest common factor 16,21,57,235 is 1.

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

• GCF of 86, 25, 29, 607
• GCF of 60, 54, 73, 224
• GCF of 89, 59, 70, 134
• GCF of 10, 35, 68, 687
• GCF of 89, 95, 64, 797

1. What is the GCF of 16, 21, 57, 235?

Answer: GCF of 16, 21, 57, 235 is 1.

2. How to Find the GCF of 16, 21, 57, 235

Answer: Greatest Common Factor(GCF) of 16, 21, 57, 235 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 21, 57, 235) = 1.