Greatest Common Factor of 21, 95, 857

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

• Greatest Common Factor of 21, 95, 857 by common division method
• Greatest Common Factor of 21, 95, 857 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 95

List of positive integer factors of 95 that divides 95 without a remainder.

1,5,19,95

Factors of 857

List of positive integer factors of 857 that divides 857 without a remainder.

1,857

Greatest Common Factor

We found the factors 21,95,857 . The biggest common factor number is the GCF number.
So the greatest common factor 21,95,857 is 1.

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

• GCF of 55, 85, 839
• GCF of 72, 37, 506
• GCF of 46, 16, 819
• GCF of 31, 22, 249
• GCF of 47, 22, 550

1. What is the GCF of 21, 95, 857?

Answer: GCF of 21, 95, 857 is 1.

2. How to Find the GCF of 21, 95, 857

Answer: Greatest Common Factor(GCF) of 21, 95, 857 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 95, 857) = 1.