Greatest Common Factor of 39, 21, 777

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

• Greatest Common Factor of 39, 21, 777 by common division method
• Greatest Common Factor of 39, 21, 777 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 21

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

1,3,7,21

Factors of 777

List of positive integer factors of 777 that divides 777 without a remainder.

1,3,7,21,37,111,259,777

Greatest Common Factor

We found the factors 39,21,777 . The biggest common factor number is the GCF number.
So the greatest common factor 39,21,777 is 3.

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

• GCF of 11, 57, 492
• GCF of 43, 28, 116
• GCF of 16, 49, 352
• GCF of 69, 28, 653
• GCF of 88, 71, 543

1. What is the GCF of 39, 21, 777?

Answer: GCF of 39, 21, 777 is 3.

2. How to Find the GCF of 39, 21, 777

Answer: Greatest Common Factor(GCF) of 39, 21, 777 = 3

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

Step 2: Then multiply all the prime factors GCF(39, 21, 777) = 3.