Greatest Common Factor of 90, 245, 420

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

• Greatest Common Factor of 90, 245, 420 by common division method
• Greatest Common Factor of 90, 245, 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 5 = 5

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

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 90,245,420 . The biggest common factor number is the GCF number.
So the greatest common factor 90,245,420 is 5.

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

• GCF of 49, 280, 879
• GCF of 89, 925, 448
• GCF of 15, 284, 480
• GCF of 39, 891, 650
• GCF of 50, 314, 317

1. What is the GCF of 90, 245, 420?

Answer: GCF of 90, 245, 420 is 5.

2. How to Find the GCF of 90, 245, 420

Answer: Greatest Common Factor(GCF) of 90, 245, 420 = 5

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

Step 2: Then multiply all the prime factors GCF(90, 245, 420) = 5.