Greatest Common Factor of 87, 50, 90, 28

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

• Greatest Common Factor of 87, 50, 90, 28 by common division method
• Greatest Common Factor of 87, 50, 90, 28 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

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 28

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

1,2,4,7,14,28

Greatest Common Factor

We found the factors 87,50,90,28 . The biggest common factor number is the GCF number.
So the greatest common factor 87,50,90,28 is 1.

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

• GCF of 85, 80, 87, 96
• GCF of 99, 42, 76, 75
• GCF of 86, 59, 74, 23
• GCF of 22, 43, 28, 83
• GCF of 98, 34, 64, 63

1. What is the GCF of 87, 50, 90, 28?

Answer: GCF of 87, 50, 90, 28 is 1.

2. How to Find the GCF of 87, 50, 90, 28

Answer: Greatest Common Factor(GCF) of 87, 50, 90, 28 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 50, 90, 28) = 1.