Greatest Common Factor of 123, 612, 420

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

• Greatest Common Factor of 123, 612, 420 by common division method
• Greatest Common Factor of 123, 612, 420 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 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Factors of 612

List of positive integer factors of 612 that divides 612 without a remainder.

1,2,3,4,6,9,12,17,18,34,36,51,68,102,153,204,306,612

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 123,612,420 . The biggest common factor number is the GCF number.
So the greatest common factor 123,612,420 is 3.

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

• GCF of 559, 305, 194
• GCF of 466, 303, 995
• GCF of 931, 466, 313
• GCF of 487, 987, 946
• GCF of 806, 596, 991

1. What is the GCF of 123, 612, 420?

Answer: GCF of 123, 612, 420 is 3.

2. How to Find the GCF of 123, 612, 420

Answer: Greatest Common Factor(GCF) of 123, 612, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(123, 612, 420) = 3.