Greatest Common Factor of 87, 31, 90, 251

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

• Greatest Common Factor of 87, 31, 90, 251 by common division method
• Greatest Common Factor of 87, 31, 90, 251 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

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 251

List of positive integer factors of 251 that divides 251 without a remainder.

1,251

Greatest Common Factor

We found the factors 87,31,90,251 . The biggest common factor number is the GCF number.
So the greatest common factor 87,31,90,251 is 1.

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

• GCF of 89, 36, 30, 655
• GCF of 85, 41, 48, 571
• GCF of 84, 11, 38, 468
• GCF of 30, 83, 31, 465
• GCF of 20, 28, 16, 543

1. What is the GCF of 87, 31, 90, 251?

Answer: GCF of 87, 31, 90, 251 is 1.

2. How to Find the GCF of 87, 31, 90, 251

Answer: Greatest Common Factor(GCF) of 87, 31, 90, 251 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 31, 90, 251) = 1.