Greatest Common Factor of 21, 717, 381

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

• Greatest Common Factor of 21, 717, 381 by common division method
• Greatest Common Factor of 21, 717, 381 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 21

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

1,3,7,21

Factors of 717

List of positive integer factors of 717 that divides 717 without a remainder.

1,3,239,717

Factors of 381

List of positive integer factors of 381 that divides 381 without a remainder.

1,3,127,381

Greatest Common Factor

We found the factors 21,717,381 . The biggest common factor number is the GCF number.
So the greatest common factor 21,717,381 is 3.

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

• GCF of 97, 112, 347
• GCF of 58, 163, 688
• GCF of 41, 243, 635
• GCF of 91, 351, 675
• GCF of 72, 998, 609

1. What is the GCF of 21, 717, 381?

Answer: GCF of 21, 717, 381 is 3.

2. How to Find the GCF of 21, 717, 381

Answer: Greatest Common Factor(GCF) of 21, 717, 381 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 717, 381) = 3.