Greatest Common Factor of 17, 70, 85, 66, 510

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

• Greatest Common Factor of 17, 70, 85, 66, 510 by common division method
• Greatest Common Factor of 17, 70, 85, 66, 510 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

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 510

List of positive integer factors of 510 that divides 510 without a remainder.

1,2,3,5,6,10,15,17,30,34,51,85,102,170,255,510

Greatest Common Factor

We found the factors 17,70,85,66,510 . The biggest common factor number is the GCF number.
So the greatest common factor 17,70,85,66,510 is 1.

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

• GCF of 84, 34, 40, 49, 389
• GCF of 94, 31, 12, 83, 346
• GCF of 51, 87, 54, 21, 304
• GCF of 36, 98, 63, 11, 864
• GCF of 84, 40, 32, 74, 236

1. What is the GCF of 17, 70, 85, 66, 510?

Answer: GCF of 17, 70, 85, 66, 510 is 1.

2. How to Find the GCF of 17, 70, 85, 66, 510

Answer: Greatest Common Factor(GCF) of 17, 70, 85, 66, 510 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 70, 85, 66, 510) = 1.