Greatest Common Factor of 42, 19, 65, 608

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

• Greatest Common Factor of 42, 19, 65, 608 by common division method
• Greatest Common Factor of 42, 19, 65, 608 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 19

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

1,19

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 608

List of positive integer factors of 608 that divides 608 without a remainder.

1,2,4,8,16,19,32,38,76,152,304,608

Greatest Common Factor

We found the factors 42,19,65,608 . The biggest common factor number is the GCF number.
So the greatest common factor 42,19,65,608 is 1.

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

• GCF of 96, 97, 84, 693
• GCF of 34, 46, 73, 381
• GCF of 86, 40, 16, 417
• GCF of 55, 98, 54, 880
• GCF of 75, 57, 38, 434

1. What is the GCF of 42, 19, 65, 608?

Answer: GCF of 42, 19, 65, 608 is 1.

2. How to Find the GCF of 42, 19, 65, 608

Answer: Greatest Common Factor(GCF) of 42, 19, 65, 608 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 19, 65, 608) = 1.