Greatest Common Factor of 140, 217, 85

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

• Greatest Common Factor of 140, 217, 85 by common division method
• Greatest Common Factor of 140, 217, 85 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 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Factors of 217

List of positive integer factors of 217 that divides 217 without a remainder.

1,7,31,217

Factors of 85

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

1,5,17,85

Greatest Common Factor

We found the factors 140,217,85 . The biggest common factor number is the GCF number.
So the greatest common factor 140,217,85 is 1.

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

• GCF of 638, 121, 30
• GCF of 917, 841, 17
• GCF of 841, 479, 85
• GCF of 106, 188, 14
• GCF of 115, 644, 21

1. What is the GCF of 140, 217, 85?

Answer: GCF of 140, 217, 85 is 1.

2. How to Find the GCF of 140, 217, 85

Answer: Greatest Common Factor(GCF) of 140, 217, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(140, 217, 85) = 1.