Greatest Common Factor of 42, 21, 835

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

• Greatest Common Factor of 42, 21, 835 by common division method
• Greatest Common Factor of 42, 21, 835 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 21

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

1,3,7,21

Factors of 835

List of positive integer factors of 835 that divides 835 without a remainder.

1,5,167,835

Greatest Common Factor

We found the factors 42,21,835 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,835 is 1.

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

• GCF of 83, 89, 953
• GCF of 56, 83, 288
• GCF of 66, 97, 936
• GCF of 37, 27, 866
• GCF of 47, 97, 762

1. What is the GCF of 42, 21, 835?

Answer: GCF of 42, 21, 835 is 1.

2. How to Find the GCF of 42, 21, 835

Answer: Greatest Common Factor(GCF) of 42, 21, 835 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 21, 835) = 1.