Greatest Common Factor of 771, 208, 42

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

• Greatest Common Factor of 771, 208, 42 by common division method
• Greatest Common Factor of 771, 208, 42 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 771

List of positive integer factors of 771 that divides 771 without a remainder.

1,3,257,771

Factors of 208

List of positive integer factors of 208 that divides 208 without a remainder.

1,2,4,8,13,16,26,52,104,208

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 771,208,42 . The biggest common factor number is the GCF number.
So the greatest common factor 771,208,42 is 1.

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

• GCF of 408, 278, 27
• GCF of 401, 282, 46
• GCF of 190, 288, 21
• GCF of 978, 825, 30
• GCF of 267, 799, 61

1. What is the GCF of 771, 208, 42?

Answer: GCF of 771, 208, 42 is 1.

2. How to Find the GCF of 771, 208, 42

Answer: Greatest Common Factor(GCF) of 771, 208, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(771, 208, 42) = 1.