Greatest Common Factor of 42, 72, 18, 946

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

• Greatest Common Factor of 42, 72, 18, 946 by common division method
• Greatest Common Factor of 42, 72, 18, 946 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 946

List of positive integer factors of 946 that divides 946 without a remainder.

1,2,11,22,43,86,473,946

Greatest Common Factor

We found the factors 42,72,18,946 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,18,946 is 2.

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

• GCF of 84, 42, 36, 127
• GCF of 63, 55, 79, 100
• GCF of 12, 90, 30, 495
• GCF of 47, 27, 35, 306
• GCF of 65, 44, 16, 500

1. What is the GCF of 42, 72, 18, 946?

Answer: GCF of 42, 72, 18, 946 is 2.

2. How to Find the GCF of 42, 72, 18, 946

Answer: Greatest Common Factor(GCF) of 42, 72, 18, 946 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 72, 18, 946) = 2.