Greatest Common Factor of 42, 78, 19, 264

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

• Greatest Common Factor of 42, 78, 19, 264 by common division method
• Greatest Common Factor of 42, 78, 19, 264 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 19

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

1,19

Factors of 264

List of positive integer factors of 264 that divides 264 without a remainder.

1,2,3,4,6,8,11,12,22,24,33,44,66,88,132,264

Greatest Common Factor

We found the factors 42,78,19,264 . The biggest common factor number is the GCF number.
So the greatest common factor 42,78,19,264 is 1.

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

• GCF of 19, 20, 57, 694
• GCF of 62, 91, 18, 938
• GCF of 83, 42, 69, 782
• GCF of 24, 25, 68, 669
• GCF of 51, 78, 53, 377

1. What is the GCF of 42, 78, 19, 264?

Answer: GCF of 42, 78, 19, 264 is 1.

2. How to Find the GCF of 42, 78, 19, 264

Answer: Greatest Common Factor(GCF) of 42, 78, 19, 264 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 78, 19, 264) = 1.