Greatest Common Factor of 28, 64, 49, 618

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

• Greatest Common Factor of 28, 64, 49, 618 by common division method
• Greatest Common Factor of 28, 64, 49, 618 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 618

List of positive integer factors of 618 that divides 618 without a remainder.

1,2,3,6,103,206,309,618

Greatest Common Factor

We found the factors 28,64,49,618 . The biggest common factor number is the GCF number.
So the greatest common factor 28,64,49,618 is 1.

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

• GCF of 75, 68, 13, 665
• GCF of 28, 73, 28, 956
• GCF of 34, 32, 73, 819
• GCF of 93, 20, 49, 334
• GCF of 48, 68, 47, 456

1. What is the GCF of 28, 64, 49, 618?

Answer: GCF of 28, 64, 49, 618 is 1.

2. How to Find the GCF of 28, 64, 49, 618

Answer: Greatest Common Factor(GCF) of 28, 64, 49, 618 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 64, 49, 618) = 1.