Greatest Common Factor of 14, 23, 42, 21

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

• Greatest Common Factor of 14, 23, 42, 21 by common division method
• Greatest Common Factor of 14, 23, 42, 21 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 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 14,23,42,21 . The biggest common factor number is the GCF number.
So the greatest common factor 14,23,42,21 is 1.

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

• GCF of 75, 58, 21, 69
• GCF of 23, 73, 47, 28
• GCF of 23, 35, 36, 25
• GCF of 78, 54, 96, 38
• GCF of 53, 85, 63, 94

1. What is the GCF of 14, 23, 42, 21?

Answer: GCF of 14, 23, 42, 21 is 1.

2. How to Find the GCF of 14, 23, 42, 21

Answer: Greatest Common Factor(GCF) of 14, 23, 42, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(14, 23, 42, 21) = 1.