Greatest Common Factor of 42, 72, 23, 430

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

• Greatest Common Factor of 42, 72, 23, 430 by common division method
• Greatest Common Factor of 42, 72, 23, 430 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 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 23

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

1,23

Factors of 430

List of positive integer factors of 430 that divides 430 without a remainder.

1,2,5,10,43,86,215,430

Greatest Common Factor

We found the factors 42,72,23,430 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,23,430 is 1.

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

• GCF of 72, 22, 56, 758
• GCF of 29, 95, 48, 472
• GCF of 65, 90, 17, 627
• GCF of 53, 42, 54, 386
• GCF of 71, 11, 67, 623

1. What is the GCF of 42, 72, 23, 430?

Answer: GCF of 42, 72, 23, 430 is 1.

2. How to Find the GCF of 42, 72, 23, 430

Answer: Greatest Common Factor(GCF) of 42, 72, 23, 430 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 72, 23, 430) = 1.