Greatest Common Factor of 91, 308, 689

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

• Greatest Common Factor of 91, 308, 689 by common division method
• Greatest Common Factor of 91, 308, 689 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Greatest Common Factor

We found the factors 91,308,689 . The biggest common factor number is the GCF number.
So the greatest common factor 91,308,689 is 1.

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

• GCF of 16, 906, 344
• GCF of 58, 349, 444
• GCF of 42, 359, 802
• GCF of 99, 935, 304
• GCF of 54, 147, 838

1. What is the GCF of 91, 308, 689?

Answer: GCF of 91, 308, 689 is 1.

2. How to Find the GCF of 91, 308, 689

Answer: Greatest Common Factor(GCF) of 91, 308, 689 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 308, 689) = 1.