Greatest Common Factor of 42, 517, 305

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

• Greatest Common Factor of 42, 517, 305 by common division method
• Greatest Common Factor of 42, 517, 305 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 517

List of positive integer factors of 517 that divides 517 without a remainder.

1,11,47,517

Factors of 305

List of positive integer factors of 305 that divides 305 without a remainder.

1,5,61,305

Greatest Common Factor

We found the factors 42,517,305 . The biggest common factor number is the GCF number.
So the greatest common factor 42,517,305 is 1.

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

• GCF of 27, 247, 209
• GCF of 46, 359, 929
• GCF of 23, 832, 671
• GCF of 49, 684, 440
• GCF of 32, 115, 990

1. What is the GCF of 42, 517, 305?

Answer: GCF of 42, 517, 305 is 1.

2. How to Find the GCF of 42, 517, 305

Answer: Greatest Common Factor(GCF) of 42, 517, 305 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 517, 305) = 1.