Greatest Common Factor of 57, 49, 689

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

• Greatest Common Factor of 57, 49, 689 by common division method
• Greatest Common Factor of 57, 49, 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

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 57,49,689 . The biggest common factor number is the GCF number.
So the greatest common factor 57,49,689 is 1.

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

• GCF of 70, 14, 795
• GCF of 92, 46, 977
• GCF of 53, 18, 776
• GCF of 78, 35, 132
• GCF of 23, 73, 500

1. What is the GCF of 57, 49, 689?

Answer: GCF of 57, 49, 689 is 1.

2. How to Find the GCF of 57, 49, 689

Answer: Greatest Common Factor(GCF) of 57, 49, 689 = 1

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

Step 2: Then multiply all the prime factors GCF(57, 49, 689) = 1.