Greatest Common Factor of 42, 309, 250

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

• Greatest Common Factor of 42, 309, 250 by common division method
• Greatest Common Factor of 42, 309, 250 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 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Factors of 250

List of positive integer factors of 250 that divides 250 without a remainder.

1,2,5,10,25,50,125,250

Greatest Common Factor

We found the factors 42,309,250 . The biggest common factor number is the GCF number.
So the greatest common factor 42,309,250 is 1.

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

• GCF of 60, 560, 344
• GCF of 13, 788, 120
• GCF of 91, 860, 645
• GCF of 66, 177, 455
• GCF of 46, 166, 409

1. What is the GCF of 42, 309, 250?

Answer: GCF of 42, 309, 250 is 1.

2. How to Find the GCF of 42, 309, 250

Answer: Greatest Common Factor(GCF) of 42, 309, 250 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 309, 250) = 1.