Greatest Common Factor of 87, 10, 420

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

• Greatest Common Factor of 87, 10, 420 by common division method
• Greatest Common Factor of 87, 10, 420 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 87,10,420 . The biggest common factor number is the GCF number.
So the greatest common factor 87,10,420 is 1.

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

• GCF of 82, 30, 218
• GCF of 14, 34, 216
• GCF of 51, 26, 245
• GCF of 36, 31, 458
• GCF of 51, 46, 893

1. What is the GCF of 87, 10, 420?

Answer: GCF of 87, 10, 420 is 1.

2. How to Find the GCF of 87, 10, 420

Answer: Greatest Common Factor(GCF) of 87, 10, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 10, 420) = 1.