Greatest Common Factor of 10, 85, 66, 80, 813

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

• Greatest Common Factor of 10, 85, 66, 80, 813 by common division method
• Greatest Common Factor of 10, 85, 66, 80, 813 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 10

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

1,2,5,10

Factors of 85

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

1,5,17,85

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 813

List of positive integer factors of 813 that divides 813 without a remainder.

1,3,271,813

Greatest Common Factor

We found the factors 10,85,66,80,813 . The biggest common factor number is the GCF number.
So the greatest common factor 10,85,66,80,813 is 1.

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

• GCF of 63, 95, 98, 90, 181
• GCF of 69, 45, 32, 94, 893
• GCF of 25, 32, 74, 55, 240
• GCF of 21, 18, 18, 58, 760
• GCF of 85, 40, 25, 77, 704

1. What is the GCF of 10, 85, 66, 80, 813?

Answer: GCF of 10, 85, 66, 80, 813 is 1.

2. How to Find the GCF of 10, 85, 66, 80, 813

Answer: Greatest Common Factor(GCF) of 10, 85, 66, 80, 813 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 85, 66, 80, 813) = 1.