Greatest Common Factor of 81, 78, 87, 351

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

• Greatest Common Factor of 81, 78, 87, 351 by common division method
• Greatest Common Factor of 81, 78, 87, 351 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 351

List of positive integer factors of 351 that divides 351 without a remainder.

1,3,9,13,27,39,117,351

Greatest Common Factor

We found the factors 81,78,87,351 . The biggest common factor number is the GCF number.
So the greatest common factor 81,78,87,351 is 3.

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

• GCF of 63, 41, 59, 879
• GCF of 76, 26, 62, 719
• GCF of 59, 37, 89, 119
• GCF of 85, 73, 33, 833
• GCF of 55, 68, 90, 663

1. What is the GCF of 81, 78, 87, 351?

Answer: GCF of 81, 78, 87, 351 is 3.

2. How to Find the GCF of 81, 78, 87, 351

Answer: Greatest Common Factor(GCF) of 81, 78, 87, 351 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 78, 87, 351) = 3.