Greatest Common Factor of 894, 720, 21

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

• Greatest Common Factor of 894, 720, 21 by common division method
• Greatest Common Factor of 894, 720, 21 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 894

List of positive integer factors of 894 that divides 894 without a remainder.

1,2,3,6,149,298,447,894

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

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 894,720,21 . The biggest common factor number is the GCF number.
So the greatest common factor 894,720,21 is 3.

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

• GCF of 667, 247, 21
• GCF of 666, 417, 73
• GCF of 567, 695, 71
• GCF of 525, 736, 75
• GCF of 768, 435, 36

1. What is the GCF of 894, 720, 21?

Answer: GCF of 894, 720, 21 is 3.

2. How to Find the GCF of 894, 720, 21

Answer: Greatest Common Factor(GCF) of 894, 720, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(894, 720, 21) = 3.