Greatest Common Factor of 15, 70, 54, 306

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

• Greatest Common Factor of 15, 70, 54, 306 by common division method
• Greatest Common Factor of 15, 70, 54, 306 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Greatest Common Factor

We found the factors 15,70,54,306 . The biggest common factor number is the GCF number.
So the greatest common factor 15,70,54,306 is 1.

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

• GCF of 41, 34, 93, 352
• GCF of 80, 26, 48, 646
• GCF of 55, 10, 74, 355
• GCF of 63, 49, 67, 324
• GCF of 35, 93, 75, 966

1. What is the GCF of 15, 70, 54, 306?

Answer: GCF of 15, 70, 54, 306 is 1.

2. How to Find the GCF of 15, 70, 54, 306

Answer: Greatest Common Factor(GCF) of 15, 70, 54, 306 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 70, 54, 306) = 1.