Greatest Common Factor of 689, 998, 639

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

• Greatest Common Factor of 689, 998, 639 by common division method
• Greatest Common Factor of 689, 998, 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 998

List of positive integer factors of 998 that divides 998 without a remainder.

1,2,499,998

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 689,998,639 . The biggest common factor number is the GCF number.
So the greatest common factor 689,998,639 is 1.

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

• GCF of 162, 840, 966
• GCF of 689, 108, 550
• GCF of 660, 875, 591
• GCF of 309, 280, 361
• GCF of 254, 734, 675

1. What is the GCF of 689, 998, 639?

Answer: GCF of 689, 998, 639 is 1.

2. How to Find the GCF of 689, 998, 639

Answer: Greatest Common Factor(GCF) of 689, 998, 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, 998, 639) = 1.