Greatest Common Factor of 991, 664, 988

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

• Greatest Common Factor of 991, 664, 988 by common division method
• Greatest Common Factor of 991, 664, 988 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 991

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

1,991

Factors of 664

List of positive integer factors of 664 that divides 664 without a remainder.

1,2,4,8,83,166,332,664

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

Greatest Common Factor

We found the factors 991,664,988 . The biggest common factor number is the GCF number.
So the greatest common factor 991,664,988 is 1.

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

• GCF of 640, 616, 979
• GCF of 781, 442, 907
• GCF of 169, 456, 612
• GCF of 708, 113, 134
• GCF of 585, 931, 935

1. What is the GCF of 991, 664, 988?

Answer: GCF of 991, 664, 988 is 1.

2. How to Find the GCF of 991, 664, 988

Answer: Greatest Common Factor(GCF) of 991, 664, 988 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 664, 988) = 1.