Greatest Common Factor of 45, 20, 42, 794

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

• Greatest Common Factor of 45, 20, 42, 794 by common division method
• Greatest Common Factor of 45, 20, 42, 794 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 794

List of positive integer factors of 794 that divides 794 without a remainder.

1,2,397,794

Greatest Common Factor

We found the factors 45,20,42,794 . The biggest common factor number is the GCF number.
So the greatest common factor 45,20,42,794 is 1.

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

• GCF of 17, 55, 67, 608
• GCF of 81, 46, 25, 946
• GCF of 62, 77, 85, 524
• GCF of 78, 41, 33, 893
• GCF of 10, 23, 86, 680

1. What is the GCF of 45, 20, 42, 794?

Answer: GCF of 45, 20, 42, 794 is 1.

2. How to Find the GCF of 45, 20, 42, 794

Answer: Greatest Common Factor(GCF) of 45, 20, 42, 794 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 20, 42, 794) = 1.