Greatest Common Factor of 77, 87, 561

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

• Greatest Common Factor of 77, 87, 561 by common division method
• Greatest Common Factor of 77, 87, 561 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

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 77,87,561 . The biggest common factor number is the GCF number.
So the greatest common factor 77,87,561 is 1.

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

• GCF of 20, 95, 499
• GCF of 90, 25, 319
• GCF of 50, 66, 683
• GCF of 60, 17, 708
• GCF of 73, 57, 603

1. What is the GCF of 77, 87, 561?

Answer: GCF of 77, 87, 561 is 1.

2. How to Find the GCF of 77, 87, 561

Answer: Greatest Common Factor(GCF) of 77, 87, 561 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 87, 561) = 1.