Greatest Common Factor of 77, 61, 288, 561

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

• Greatest Common Factor of 77, 61, 288, 561 by common division method
• Greatest Common Factor of 77, 61, 288, 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 288

List of positive integer factors of 288 that divides 288 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,32,36,48,72,96,144,288

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 77,61,288,561 . The biggest common factor number is the GCF number.
So the greatest common factor 77,61,288,561 is 1.

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

• GCF of 82, 44, 756, 746
• GCF of 53, 46, 221, 816
• GCF of 85, 35, 590, 475
• GCF of 16, 62, 577, 338
• GCF of 12, 15, 655, 201

1. What is the GCF of 77, 61, 288, 561?

Answer: GCF of 77, 61, 288, 561 is 1.

2. How to Find the GCF of 77, 61, 288, 561

Answer: Greatest Common Factor(GCF) of 77, 61, 288, 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, 61, 288, 561) = 1.