Greatest Common Factor of 61, 21, 84, 202

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

• Greatest Common Factor of 61, 21, 84, 202 by common division method
• Greatest Common Factor of 61, 21, 84, 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 21

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

1,3,7,21

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

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 61,21,84,202 . The biggest common factor number is the GCF number.
So the greatest common factor 61,21,84,202 is 1.

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

• GCF of 24, 68, 52, 706
• GCF of 32, 63, 80, 118
• GCF of 41, 18, 48, 989
• GCF of 54, 65, 38, 935
• GCF of 94, 90, 46, 180

1. What is the GCF of 61, 21, 84, 202?

Answer: GCF of 61, 21, 84, 202 is 1.

2. How to Find the GCF of 61, 21, 84, 202

Answer: Greatest Common Factor(GCF) of 61, 21, 84, 202 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 21, 84, 202) = 1.