Greatest Common Factor of 42, 17, 651

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

• Greatest Common Factor of 42, 17, 651 by common division method
• Greatest Common Factor of 42, 17, 651 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 17

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

1,17

Factors of 651

List of positive integer factors of 651 that divides 651 without a remainder.

1,3,7,21,31,93,217,651

Greatest Common Factor

We found the factors 42,17,651 . The biggest common factor number is the GCF number.
So the greatest common factor 42,17,651 is 1.

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

• GCF of 37, 30, 260
• GCF of 38, 68, 914
• GCF of 80, 80, 430
• GCF of 25, 52, 168
• GCF of 28, 46, 274

1. What is the GCF of 42, 17, 651?

Answer: GCF of 42, 17, 651 is 1.

2. How to Find the GCF of 42, 17, 651

Answer: Greatest Common Factor(GCF) of 42, 17, 651 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 17, 651) = 1.