Greatest Common Factor of 85, 66, 29, 64, 690

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

• Greatest Common Factor of 85, 66, 29, 64, 690 by common division method
• Greatest Common Factor of 85, 66, 29, 64, 690 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 66

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

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

Factors of 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Greatest Common Factor

We found the factors 85,66,29,64,690 . The biggest common factor number is the GCF number.
So the greatest common factor 85,66,29,64,690 is 1.

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

• GCF of 78, 81, 73, 43, 411
• GCF of 84, 25, 48, 72, 133
• GCF of 82, 78, 98, 37, 351
• GCF of 29, 41, 36, 48, 283
• GCF of 93, 88, 28, 71, 147

1. What is the GCF of 85, 66, 29, 64, 690?

Answer: GCF of 85, 66, 29, 64, 690 is 1.

2. How to Find the GCF of 85, 66, 29, 64, 690

Answer: Greatest Common Factor(GCF) of 85, 66, 29, 64, 690 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 66, 29, 64, 690) = 1.