Greatest Common Factor of 84, 50, 21, 61

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

• Greatest Common Factor of 84, 50, 21, 61 by common division method
• Greatest Common Factor of 84, 50, 21, 61 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 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 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 21

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

1,3,7,21

Factors of 61

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

1,61

Greatest Common Factor

We found the factors 84,50,21,61 . The biggest common factor number is the GCF number.
So the greatest common factor 84,50,21,61 is 1.

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

• GCF of 92, 98, 62, 97
• GCF of 20, 77, 15, 94
• GCF of 10, 31, 92, 32
• GCF of 36, 77, 31, 32
• GCF of 65, 26, 47, 63

1. What is the GCF of 84, 50, 21, 61?

Answer: GCF of 84, 50, 21, 61 is 1.

2. How to Find the GCF of 84, 50, 21, 61

Answer: Greatest Common Factor(GCF) of 84, 50, 21, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 50, 21, 61) = 1.