Greatest Common Factor of 81, 21, 951

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

• Greatest Common Factor of 81, 21, 951 by common division method
• Greatest Common Factor of 81, 21, 951 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 21

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

1,3,7,21

Factors of 951

List of positive integer factors of 951 that divides 951 without a remainder.

1,3,317,951

Greatest Common Factor

We found the factors 81,21,951 . The biggest common factor number is the GCF number.
So the greatest common factor 81,21,951 is 3.

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

• GCF of 21, 95, 429
• GCF of 43, 19, 196
• GCF of 67, 55, 430
• GCF of 79, 56, 124
• GCF of 15, 59, 397

1. What is the GCF of 81, 21, 951?

Answer: GCF of 81, 21, 951 is 3.

2. How to Find the GCF of 81, 21, 951

Answer: Greatest Common Factor(GCF) of 81, 21, 951 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 21, 951) = 3.