Greatest Common Factor of 420, 242, 490

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

• Greatest Common Factor of 420, 242, 490 by common division method
• Greatest Common Factor of 420, 242, 490 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 242

List of positive integer factors of 242 that divides 242 without a remainder.

1,2,11,22,121,242

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors 420,242,490 . The biggest common factor number is the GCF number.
So the greatest common factor 420,242,490 is 2.

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

• GCF of 492, 189, 214
• GCF of 876, 924, 521
• GCF of 343, 337, 473
• GCF of 196, 624, 352
• GCF of 727, 618, 215

1. What is the GCF of 420, 242, 490?

Answer: GCF of 420, 242, 490 is 2.

2. How to Find the GCF of 420, 242, 490

Answer: Greatest Common Factor(GCF) of 420, 242, 490 = 2

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

Step 2: Then multiply all the prime factors GCF(420, 242, 490) = 2.