Greatest Common Factor of 420, 713, 87

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

• Greatest Common Factor of 420, 713, 87 by common division method
• Greatest Common Factor of 420, 713, 87 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 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

Factors of 713

List of positive integer factors of 713 that divides 713 without a remainder.

1,23,31,713

Factors of 87

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

1,3,29,87

Greatest Common Factor

We found the factors 420,713,87 . The biggest common factor number is the GCF number.
So the greatest common factor 420,713,87 is 1.

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

• GCF of 255, 360, 71
• GCF of 922, 321, 27
• GCF of 516, 315, 64
• GCF of 176, 157, 74
• GCF of 343, 197, 90

1. What is the GCF of 420, 713, 87?

Answer: GCF of 420, 713, 87 is 1.

2. How to Find the GCF of 420, 713, 87

Answer: Greatest Common Factor(GCF) of 420, 713, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 713, 87) = 1.