Greatest Common Factor of 28, 30, 18, 731

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

• Greatest Common Factor of 28, 30, 18, 731 by common division method
• Greatest Common Factor of 28, 30, 18, 731 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 18

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

1,2,3,6,9,18

Factors of 731

List of positive integer factors of 731 that divides 731 without a remainder.

1,17,43,731

Greatest Common Factor

We found the factors 28,30,18,731 . The biggest common factor number is the GCF number.
So the greatest common factor 28,30,18,731 is 1.

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

• GCF of 57, 41, 95, 652
• GCF of 70, 58, 65, 609
• GCF of 36, 57, 47, 401
• GCF of 49, 49, 60, 877
• GCF of 31, 84, 65, 473

1. What is the GCF of 28, 30, 18, 731?

Answer: GCF of 28, 30, 18, 731 is 1.

2. How to Find the GCF of 28, 30, 18, 731

Answer: Greatest Common Factor(GCF) of 28, 30, 18, 731 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 30, 18, 731) = 1.