Greatest Common Factor of 42, 42, 49, 158

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

• Greatest Common Factor of 42, 42, 49, 158 by common division method
• Greatest Common Factor of 42, 42, 49, 158 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 42

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

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

Factors of 49

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

1,7,49

Factors of 158

List of positive integer factors of 158 that divides 158 without a remainder.

1,2,79,158

Greatest Common Factor

We found the factors 42,42,49,158 . The biggest common factor number is the GCF number.
So the greatest common factor 42,42,49,158 is 1.

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

• GCF of 46, 17, 78, 594
• GCF of 18, 65, 19, 264
• GCF of 55, 22, 17, 456
• GCF of 52, 88, 79, 798
• GCF of 61, 67, 50, 766

1. What is the GCF of 42, 42, 49, 158?

Answer: GCF of 42, 42, 49, 158 is 1.

2. How to Find the GCF of 42, 42, 49, 158

Answer: Greatest Common Factor(GCF) of 42, 42, 49, 158 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 42, 49, 158) = 1.