Greatest Common Factor of 64, 30, 991

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

• Greatest Common Factor of 64, 30, 991 by common division method
• Greatest Common Factor of 64, 30, 991 with matching the biggest common factor

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

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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 64,30,991 . The biggest common factor number is the GCF number.
So the greatest common factor 64,30,991 is 1.

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

• GCF of 84, 76, 726
• GCF of 70, 26, 468
• GCF of 14, 53, 177
• GCF of 68, 72, 166
• GCF of 93, 78, 641

1. What is the GCF of 64, 30, 991?

Answer: GCF of 64, 30, 991 is 1.

2. How to Find the GCF of 64, 30, 991

Answer: Greatest Common Factor(GCF) of 64, 30, 991 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 30, 991) = 1.