Greatest Common Factor of 42, 56, 34, 64, 161

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

• Greatest Common Factor of 42, 56, 34, 64, 161 by common division method
• Greatest Common Factor of 42, 56, 34, 64, 161 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Greatest Common Factor

We found the factors 42,56,34,64,161 . The biggest common factor number is the GCF number.
So the greatest common factor 42,56,34,64,161 is 1.

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

• GCF of 23, 57, 36, 63, 426
• GCF of 84, 50, 11, 71, 989
• GCF of 85, 22, 82, 35, 838
• GCF of 64, 28, 63, 29, 901
• GCF of 14, 23, 76, 48, 616

1. What is the GCF of 42, 56, 34, 64, 161?

Answer: GCF of 42, 56, 34, 64, 161 is 1.

2. How to Find the GCF of 42, 56, 34, 64, 161

Answer: Greatest Common Factor(GCF) of 42, 56, 34, 64, 161 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 56, 34, 64, 161) = 1.