Greatest Common Factor of 28, 28, 493, 490

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

• Greatest Common Factor of 28, 28, 493, 490 by common division method
• Greatest Common Factor of 28, 28, 493, 490 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 28

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

1,2,4,7,14,28

Factors of 493

List of positive integer factors of 493 that divides 493 without a remainder.

1,17,29,493

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors 28,28,493,490 . The biggest common factor number is the GCF number.
So the greatest common factor 28,28,493,490 is 1.

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

• GCF of 53, 25, 687, 459
• GCF of 86, 46, 587, 646
• GCF of 80, 38, 781, 640
• GCF of 36, 20, 146, 808
• GCF of 69, 63, 929, 926

1. What is the GCF of 28, 28, 493, 490?

Answer: GCF of 28, 28, 493, 490 is 1.

2. How to Find the GCF of 28, 28, 493, 490

Answer: Greatest Common Factor(GCF) of 28, 28, 493, 490 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 28, 493, 490) = 1.