Greatest Common Factor of 19, 18, 31, 423

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

• Greatest Common Factor of 19, 18, 31, 423 by common division method
• Greatest Common Factor of 19, 18, 31, 423 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 18

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

1,2,3,6,9,18

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 19,18,31,423 . The biggest common factor number is the GCF number.
So the greatest common factor 19,18,31,423 is 1.

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

• GCF of 26, 68, 58, 209
• GCF of 48, 52, 36, 245
• GCF of 73, 45, 80, 782
• GCF of 14, 37, 29, 544
• GCF of 77, 18, 80, 747

1. What is the GCF of 19, 18, 31, 423?

Answer: GCF of 19, 18, 31, 423 is 1.

2. How to Find the GCF of 19, 18, 31, 423

Answer: Greatest Common Factor(GCF) of 19, 18, 31, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 18, 31, 423) = 1.