Greatest Common Factor of 646, 102, 85

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

• Greatest Common Factor of 646, 102, 85 by common division method
• Greatest Common Factor of 646, 102, 85 with matching the biggest common factor

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∴ So the GCF of the given numbers is 17 = 17

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 102

List of positive integer factors of 102 that divides 102 without a remainder.

1,2,3,6,17,34,51,102

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 646,102,85 . The biggest common factor number is the GCF number.
So the greatest common factor 646,102,85 is 17.

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

• GCF of 448, 891, 69
• GCF of 524, 792, 28
• GCF of 575, 235, 10
• GCF of 143, 623, 34
• GCF of 174, 776, 76

1. What is the GCF of 646, 102, 85?

Answer: GCF of 646, 102, 85 is 17.

2. How to Find the GCF of 646, 102, 85

Answer: Greatest Common Factor(GCF) of 646, 102, 85 = 17

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

Step 2: Then multiply all the prime factors GCF(646, 102, 85) = 17.