Greatest Common Factor of 245, 420, 815

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

• Greatest Common Factor of 245, 420, 815 by common division method
• Greatest Common Factor of 245, 420, 815 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 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

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Greatest Common Factor

We found the factors 245,420,815 . The biggest common factor number is the GCF number.
So the greatest common factor 245,420,815 is 5.

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

• GCF of 512, 585, 347
• GCF of 763, 909, 391
• GCF of 254, 253, 959
• GCF of 990, 732, 890
• GCF of 649, 364, 643

1. What is the GCF of 245, 420, 815?

Answer: GCF of 245, 420, 815 is 5.

2. How to Find the GCF of 245, 420, 815

Answer: Greatest Common Factor(GCF) of 245, 420, 815 = 5

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

Step 2: Then multiply all the prime factors GCF(245, 420, 815) = 5.