Greatest Common Factor of 42, 26, 77, 398

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

• Greatest Common Factor of 42, 26, 77, 398 by common division method
• Greatest Common Factor of 42, 26, 77, 398 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 42

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

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

Factors of 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Greatest Common Factor

We found the factors 42,26,77,398 . The biggest common factor number is the GCF number.
So the greatest common factor 42,26,77,398 is 1.

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

• GCF of 83, 82, 21, 294
• GCF of 42, 94, 80, 113
• GCF of 21, 75, 59, 926
• GCF of 25, 17, 11, 193
• GCF of 12, 73, 22, 123

1. What is the GCF of 42, 26, 77, 398?

Answer: GCF of 42, 26, 77, 398 is 1.

2. How to Find the GCF of 42, 26, 77, 398

Answer: Greatest Common Factor(GCF) of 42, 26, 77, 398 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 26, 77, 398) = 1.