Greatest Common Factor of 858, 78, 221

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

• Greatest Common Factor of 858, 78, 221 by common division method
• Greatest Common Factor of 858, 78, 221 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 13 = 13

Factors of 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 858,78,221 . The biggest common factor number is the GCF number.
So the greatest common factor 858,78,221 is 13.

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

• GCF of 357, 93, 412
• GCF of 755, 99, 218
• GCF of 202, 26, 255
• GCF of 364, 91, 209
• GCF of 772, 65, 494

1. What is the GCF of 858, 78, 221?

Answer: GCF of 858, 78, 221 is 13.

2. How to Find the GCF of 858, 78, 221

Answer: Greatest Common Factor(GCF) of 858, 78, 221 = 13

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

Step 2: Then multiply all the prime factors GCF(858, 78, 221) = 13.