Greatest Common Factor of 42, 21, 36, 202

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

• Greatest Common Factor of 42, 21, 36, 202 by common division method
• Greatest Common Factor of 42, 21, 36, 202 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 202

List of positive integer factors of 202 that divides 202 without a remainder.

1,2,101,202

Greatest Common Factor

We found the factors 42,21,36,202 . The biggest common factor number is the GCF number.
So the greatest common factor 42,21,36,202 is 1.

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

• GCF of 47, 22, 21, 870
• GCF of 41, 90, 89, 313
• GCF of 52, 31, 30, 367
• GCF of 13, 62, 46, 989
• GCF of 61, 61, 61, 882

1. What is the GCF of 42, 21, 36, 202?

Answer: GCF of 42, 21, 36, 202 is 1.

2. How to Find the GCF of 42, 21, 36, 202

Answer: Greatest Common Factor(GCF) of 42, 21, 36, 202 = 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, 36, 202) = 1.