Greatest Common Factor of 28, 93, 42, 490

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

• Greatest Common Factor of 28, 93, 42, 490 by common division method
• Greatest Common Factor of 28, 93, 42, 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 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

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 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 28,93,42,490 . The biggest common factor number is the GCF number.
So the greatest common factor 28,93,42,490 is 1.

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

• GCF of 67, 63, 71, 680
• GCF of 19, 52, 41, 516
• GCF of 92, 19, 81, 917
• GCF of 67, 65, 30, 637
• GCF of 58, 25, 50, 997

1. What is the GCF of 28, 93, 42, 490?

Answer: GCF of 28, 93, 42, 490 is 1.

2. How to Find the GCF of 28, 93, 42, 490

Answer: Greatest Common Factor(GCF) of 28, 93, 42, 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, 93, 42, 490) = 1.