Greatest Common Factor of 77, 61, 13, 145

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

• Greatest Common Factor of 77, 61, 13, 145 by common division method
• Greatest Common Factor of 77, 61, 13, 145 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 13

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

1,13

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 77,61,13,145 . The biggest common factor number is the GCF number.
So the greatest common factor 77,61,13,145 is 1.

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

• GCF of 68, 81, 38, 192
• GCF of 49, 77, 71, 807
• GCF of 90, 82, 96, 377
• GCF of 55, 97, 99, 872
• GCF of 94, 83, 33, 762

1. What is the GCF of 77, 61, 13, 145?

Answer: GCF of 77, 61, 13, 145 is 1.

2. How to Find the GCF of 77, 61, 13, 145

Answer: Greatest Common Factor(GCF) of 77, 61, 13, 145 = 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, 13, 145) = 1.