Greatest Common Factor of 21, 98, 80, 931

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

• Greatest Common Factor of 21, 98, 80, 931 by common division method
• Greatest Common Factor of 21, 98, 80, 931 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

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

1,3,7,21

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 931

List of positive integer factors of 931 that divides 931 without a remainder.

1,7,19,49,133,931

Greatest Common Factor

We found the factors 21,98,80,931 . The biggest common factor number is the GCF number.
So the greatest common factor 21,98,80,931 is 1.

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

• GCF of 48, 82, 37, 265
• GCF of 62, 63, 43, 135
• GCF of 64, 17, 87, 163
• GCF of 22, 17, 37, 665
• GCF of 49, 96, 28, 647

1. What is the GCF of 21, 98, 80, 931?

Answer: GCF of 21, 98, 80, 931 is 1.

2. How to Find the GCF of 21, 98, 80, 931

Answer: Greatest Common Factor(GCF) of 21, 98, 80, 931 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 98, 80, 931) = 1.