Greatest Common Factor of 52, 21, 81, 816

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

• Greatest Common Factor of 52, 21, 81, 816 by common division method
• Greatest Common Factor of 52, 21, 81, 816 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 52

List of positive integer factors of 52 that divides 52 without a remainder.

1,2,4,13,26,52

Factors of 21

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

1,3,7,21

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 816

List of positive integer factors of 816 that divides 816 without a remainder.

1,2,3,4,6,8,12,16,17,24,34,48,51,68,102,136,204,272,408,816

Greatest Common Factor

We found the factors 52,21,81,816 . The biggest common factor number is the GCF number.
So the greatest common factor 52,21,81,816 is 1.

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

• GCF of 85, 42, 12, 537
• GCF of 57, 59, 32, 610
• GCF of 20, 80, 28, 926
• GCF of 56, 46, 90, 233
• GCF of 37, 35, 43, 940

1. What is the GCF of 52, 21, 81, 816?

Answer: GCF of 52, 21, 81, 816 is 1.

2. How to Find the GCF of 52, 21, 81, 816

Answer: Greatest Common Factor(GCF) of 52, 21, 81, 816 = 1

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

Step 2: Then multiply all the prime factors GCF(52, 21, 81, 816) = 1.