Greatest Common Factor of 55, 59, 38, 642

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

• Greatest Common Factor of 55, 59, 38, 642 by common division method
• Greatest Common Factor of 55, 59, 38, 642 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 55,59,38,642 . The biggest common factor number is the GCF number.
So the greatest common factor 55,59,38,642 is 1.

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

• GCF of 53, 45, 98, 914
• GCF of 77, 24, 67, 108
• GCF of 93, 52, 82, 870
• GCF of 84, 30, 71, 834
• GCF of 21, 94, 42, 177

1. What is the GCF of 55, 59, 38, 642?

Answer: GCF of 55, 59, 38, 642 is 1.

2. How to Find the GCF of 55, 59, 38, 642

Answer: Greatest Common Factor(GCF) of 55, 59, 38, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 59, 38, 642) = 1.