Greatest Common Factor of 420, 990, 605

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

• Greatest Common Factor of 420, 990, 605 by common division method
• Greatest Common Factor of 420, 990, 605 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

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

Factors of 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Factors of 605

List of positive integer factors of 605 that divides 605 without a remainder.

1,5,11,55,121,605

Greatest Common Factor

We found the factors 420,990,605 . The biggest common factor number is the GCF number.
So the greatest common factor 420,990,605 is 5.

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

• GCF of 133, 753, 612
• GCF of 237, 815, 440
• GCF of 300, 861, 611
• GCF of 943, 417, 213
• GCF of 784, 507, 914

1. What is the GCF of 420, 990, 605?

Answer: GCF of 420, 990, 605 is 5.

2. How to Find the GCF of 420, 990, 605

Answer: Greatest Common Factor(GCF) of 420, 990, 605 = 5

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

Step 2: Then multiply all the prime factors GCF(420, 990, 605) = 5.