Greatest Common Factor of 65, 40, 11, 66, 655

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

• Greatest Common Factor of 65, 40, 11, 66, 655 by common division method
• Greatest Common Factor of 65, 40, 11, 66, 655 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

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

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

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 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Greatest Common Factor

We found the factors 65,40,11,66,655 . The biggest common factor number is the GCF number.
So the greatest common factor 65,40,11,66,655 is 1.

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

• GCF of 37, 11, 89, 42, 470
• GCF of 78, 57, 68, 80, 618
• GCF of 36, 61, 36, 14, 849
• GCF of 24, 89, 16, 71, 303
• GCF of 11, 98, 33, 98, 451

1. What is the GCF of 65, 40, 11, 66, 655?

Answer: GCF of 65, 40, 11, 66, 655 is 1.

2. How to Find the GCF of 65, 40, 11, 66, 655

Answer: Greatest Common Factor(GCF) of 65, 40, 11, 66, 655 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 40, 11, 66, 655) = 1.