Greatest Common Factor of 71, 64, 420

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

• Greatest Common Factor of 71, 64, 420 by common division method
• Greatest Common Factor of 71, 64, 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

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 71,64,420 . The biggest common factor number is the GCF number.
So the greatest common factor 71,64,420 is 1.

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

• GCF of 56, 34, 621
• GCF of 59, 61, 540
• GCF of 47, 59, 962
• GCF of 96, 11, 112
• GCF of 66, 38, 394

1. What is the GCF of 71, 64, 420?

Answer: GCF of 71, 64, 420 is 1.

2. How to Find the GCF of 71, 64, 420

Answer: Greatest Common Factor(GCF) of 71, 64, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 64, 420) = 1.