Greatest Common Factor of 87, 90, 28, 370

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

• Greatest Common Factor of 87, 90, 28, 370 by common division method
• Greatest Common Factor of 87, 90, 28, 370 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 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

Factors of 370

List of positive integer factors of 370 that divides 370 without a remainder.

1,2,5,10,37,74,185,370

Greatest Common Factor

We found the factors 87,90,28,370 . The biggest common factor number is the GCF number.
So the greatest common factor 87,90,28,370 is 1.

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

• GCF of 31, 91, 52, 883
• GCF of 45, 28, 54, 891
• GCF of 73, 49, 67, 867
• GCF of 87, 87, 53, 425
• GCF of 63, 54, 93, 255

1. What is the GCF of 87, 90, 28, 370?

Answer: GCF of 87, 90, 28, 370 is 1.

2. How to Find the GCF of 87, 90, 28, 370

Answer: Greatest Common Factor(GCF) of 87, 90, 28, 370 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 90, 28, 370) = 1.