Greatest Common Factor of 85, 648, 420

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

• Greatest Common Factor of 85, 648, 420 by common division method
• Greatest Common Factor of 85, 648, 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

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 85,648,420 . The biggest common factor number is the GCF number.
So the greatest common factor 85,648,420 is 1.

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

• GCF of 46, 759, 456
• GCF of 46, 603, 103
• GCF of 98, 524, 814
• GCF of 75, 582, 317
• GCF of 99, 425, 250

1. What is the GCF of 85, 648, 420?

Answer: GCF of 85, 648, 420 is 1.

2. How to Find the GCF of 85, 648, 420

Answer: Greatest Common Factor(GCF) of 85, 648, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 648, 420) = 1.