Greatest Common Factor of 689, 168, 639

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

• Greatest Common Factor of 689, 168, 639 by common division method
• Greatest Common Factor of 689, 168, 639 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 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Greatest Common Factor

We found the factors 689,168,639 . The biggest common factor number is the GCF number.
So the greatest common factor 689,168,639 is 1.

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

• GCF of 125, 906, 392
• GCF of 707, 999, 723
• GCF of 987, 272, 144
• GCF of 755, 240, 405
• GCF of 439, 621, 633

1. What is the GCF of 689, 168, 639?

Answer: GCF of 689, 168, 639 is 1.

2. How to Find the GCF of 689, 168, 639

Answer: Greatest Common Factor(GCF) of 689, 168, 639 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 168, 639) = 1.