Greatest Common Factor of 28, 16, 90, 154

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

• Greatest Common Factor of 28, 16, 90, 154 by common division method
• Greatest Common Factor of 28, 16, 90, 154 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 28

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

1,2,4,7,14,28

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 154

List of positive integer factors of 154 that divides 154 without a remainder.

1,2,7,11,14,22,77,154

Greatest Common Factor

We found the factors 28,16,90,154 . The biggest common factor number is the GCF number.
So the greatest common factor 28,16,90,154 is 2.

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

• GCF of 71, 87, 86, 809
• GCF of 24, 61, 98, 756
• GCF of 14, 37, 40, 534
• GCF of 64, 33, 10, 320
• GCF of 95, 50, 29, 309

1. What is the GCF of 28, 16, 90, 154?

Answer: GCF of 28, 16, 90, 154 is 2.

2. How to Find the GCF of 28, 16, 90, 154

Answer: Greatest Common Factor(GCF) of 28, 16, 90, 154 = 2

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

Step 2: Then multiply all the prime factors GCF(28, 16, 90, 154) = 2.