Greatest Common Factor of 30, 13, 278

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

• Greatest Common Factor of 30, 13, 278 by common division method
• Greatest Common Factor of 30, 13, 278 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 278

List of positive integer factors of 278 that divides 278 without a remainder.

1,2,139,278

Greatest Common Factor

We found the factors 30,13,278 . The biggest common factor number is the GCF number.
So the greatest common factor 30,13,278 is 1.

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

• GCF of 85, 89, 403
• GCF of 37, 49, 428
• GCF of 86, 71, 602
• GCF of 75, 82, 379
• GCF of 93, 18, 133

1. What is the GCF of 30, 13, 278?

Answer: GCF of 30, 13, 278 is 1.

2. How to Find the GCF of 30, 13, 278

Answer: Greatest Common Factor(GCF) of 30, 13, 278 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 13, 278) = 1.