Greatest Common Factor of 15, 45, 771

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

• Greatest Common Factor of 15, 45, 771 by common division method
• Greatest Common Factor of 15, 45, 771 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 771

List of positive integer factors of 771 that divides 771 without a remainder.

1,3,257,771

Greatest Common Factor

We found the factors 15,45,771 . The biggest common factor number is the GCF number.
So the greatest common factor 15,45,771 is 3.

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

• GCF of 46, 45, 186
• GCF of 63, 76, 942
• GCF of 82, 43, 607
• GCF of 42, 73, 469
• GCF of 40, 56, 903

1. What is the GCF of 15, 45, 771?

Answer: GCF of 15, 45, 771 is 3.

2. How to Find the GCF of 15, 45, 771

Answer: Greatest Common Factor(GCF) of 15, 45, 771 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 45, 771) = 3.