Greatest Common Factor of 21, 14, 810, 336

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

• Greatest Common Factor of 21, 14, 810, 336 by common division method
• Greatest Common Factor of 21, 14, 810, 336 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 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Factors of 336

List of positive integer factors of 336 that divides 336 without a remainder.

1,2,3,4,6,7,8,12,14,16,21,24,28,42,48,56,84,112,168,336

Greatest Common Factor

We found the factors 21,14,810,336 . The biggest common factor number is the GCF number.
So the greatest common factor 21,14,810,336 is 1.

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

• GCF of 37, 26, 356, 534
• GCF of 52, 43, 646, 241
• GCF of 85, 90, 901, 678
• GCF of 17, 11, 274, 680
• GCF of 75, 65, 253, 333

1. What is the GCF of 21, 14, 810, 336?

Answer: GCF of 21, 14, 810, 336 is 1.

2. How to Find the GCF of 21, 14, 810, 336

Answer: Greatest Common Factor(GCF) of 21, 14, 810, 336 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 14, 810, 336) = 1.