Greatest Common Factor of 3, 40, 561

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

• Greatest Common Factor of 3, 40, 561 by common division method
• Greatest Common Factor of 3, 40, 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 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 3,40,561 . The biggest common factor number is the GCF number.
So the greatest common factor 3,40,561 is 1.

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

• GCF of 8, 42, 787
• GCF of 5, 41, 331
• GCF of 2, 45, 877
• GCF of 6, 18, 487
• GCF of 5, 19, 524

1. What is the GCF of 3, 40, 561?

Answer: GCF of 3, 40, 561 is 1.

2. How to Find the GCF of 3, 40, 561

Answer: Greatest Common Factor(GCF) of 3, 40, 561 = 1

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

Step 2: Then multiply all the prime factors GCF(3, 40, 561) = 1.