Greatest Common Factor of 28, 64, 991

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

• Greatest Common Factor of 28, 64, 991 by common division method
• Greatest Common Factor of 28, 64, 991 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Greatest Common Factor

We found the factors 28,64,991 . The biggest common factor number is the GCF number.
So the greatest common factor 28,64,991 is 1.

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

• GCF of 31, 72, 872
• GCF of 27, 80, 531
• GCF of 71, 31, 974
• GCF of 14, 27, 586
• GCF of 62, 98, 885

1. What is the GCF of 28, 64, 991?

Answer: GCF of 28, 64, 991 is 1.

2. How to Find the GCF of 28, 64, 991

Answer: Greatest Common Factor(GCF) of 28, 64, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 64, 991) = 1.