Greatest Common Factor of 2, 30, 561

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

• Greatest Common Factor of 2, 30, 561 by common division method
• Greatest Common Factor of 2, 30, 561 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 2

List of positive integer factors of 2 that divides 2 without a remainder.

1,2

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 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 2,30,561 . The biggest common factor number is the GCF number.
So the greatest common factor 2,30,561 is 1.

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

• GCF of 4, 96, 616
• GCF of 5, 28, 606
• GCF of 2, 23, 377
• GCF of 2, 37, 316
• GCF of 4, 36, 354

1. What is the GCF of 2, 30, 561?

Answer: GCF of 2, 30, 561 is 1.

2. How to Find the GCF of 2, 30, 561

Answer: Greatest Common Factor(GCF) of 2, 30, 561 = 1

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

Step 2: Then multiply all the prime factors GCF(2, 30, 561) = 1.