Greatest Common Factor of 21, 52, 16, 485

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

• Greatest Common Factor of 21, 52, 16, 485 by common division method
• Greatest Common Factor of 21, 52, 16, 485 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 21

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

1,3,7,21

Factors of 52

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

1,2,4,13,26,52

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 485

List of positive integer factors of 485 that divides 485 without a remainder.

1,5,97,485

Greatest Common Factor

We found the factors 21,52,16,485 . The biggest common factor number is the GCF number.
So the greatest common factor 21,52,16,485 is 1.

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

• GCF of 45, 80, 87, 608
• GCF of 43, 70, 41, 941
• GCF of 52, 80, 20, 991
• GCF of 77, 17, 58, 233
• GCF of 14, 88, 60, 467

1. What is the GCF of 21, 52, 16, 485?

Answer: GCF of 21, 52, 16, 485 is 1.

2. How to Find the GCF of 21, 52, 16, 485

Answer: Greatest Common Factor(GCF) of 21, 52, 16, 485 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 52, 16, 485) = 1.