Greatest Common Factor of 21, 85, 955

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

• Greatest Common Factor of 21, 85, 955 by common division method
• Greatest Common Factor of 21, 85, 955 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 955

List of positive integer factors of 955 that divides 955 without a remainder.

1,5,191,955

Greatest Common Factor

We found the factors 21,85,955 . The biggest common factor number is the GCF number.
So the greatest common factor 21,85,955 is 1.

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

• GCF of 54, 41, 341
• GCF of 78, 10, 926
• GCF of 12, 11, 534
• GCF of 13, 16, 227
• GCF of 98, 79, 248

1. What is the GCF of 21, 85, 955?

Answer: GCF of 21, 85, 955 is 1.

2. How to Find the GCF of 21, 85, 955

Answer: Greatest Common Factor(GCF) of 21, 85, 955 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 85, 955) = 1.