Greatest Common Factor of 689, 399, 117

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

• Greatest Common Factor of 689, 399, 117 by common division method
• Greatest Common Factor of 689, 399, 117 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 689

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

1,13,53,689

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Greatest Common Factor

We found the factors 689,399,117 . The biggest common factor number is the GCF number.
So the greatest common factor 689,399,117 is 1.

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

• GCF of 495, 935, 189
• GCF of 486, 757, 676
• GCF of 131, 909, 792
• GCF of 754, 549, 404
• GCF of 778, 715, 720

1. What is the GCF of 689, 399, 117?

Answer: GCF of 689, 399, 117 is 1.

2. How to Find the GCF of 689, 399, 117

Answer: Greatest Common Factor(GCF) of 689, 399, 117 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 399, 117) = 1.