Greatest Common Factor of 50, 53, 12, 21

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

• Greatest Common Factor of 50, 53, 12, 21 by common division method
• Greatest Common Factor of 50, 53, 12, 21 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 50

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

1,2,5,10,25,50

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 50,53,12,21 . The biggest common factor number is the GCF number.
So the greatest common factor 50,53,12,21 is 1.

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

• GCF of 74, 56, 82, 24
• GCF of 28, 55, 53, 14
• GCF of 57, 17, 32, 61
• GCF of 80, 62, 96, 48
• GCF of 38, 97, 89, 13

1. What is the GCF of 50, 53, 12, 21?

Answer: GCF of 50, 53, 12, 21 is 1.

2. How to Find the GCF of 50, 53, 12, 21

Answer: Greatest Common Factor(GCF) of 50, 53, 12, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(50, 53, 12, 21) = 1.