What is the Greatest Common Factor of 84470 and 84490?

Greatest common factor (GCF) of 84470 and 84490 is 10.

GCF(84470,84490) = 10

We will now calculate the prime factors of 84470 and 84490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84470 and 84490.

How to find the GCF of 84470 and 84490?

We will first find the prime factorization of 84470 and 84490. After we will calculate the factors of 84470 and 84490 and find the biggest common factor number .

Step-1: Prime Factorization of 84470

Prime factors of 84470 are 2, 5, 8447. Prime factorization of 84470 in exponential form is:

84470 = 2¹ × 5¹ × 8447¹

Step-2: Prime Factorization of 84490

Prime factors of 84490 are 2, 5, 7, 17, 71. Prime factorization of 84490 in exponential form is:

84490 = 2¹ × 5¹ × 7¹ × 17¹ × 71¹

Step-3: Factors of 84470

List of positive integer factors of 84470 that divides 84470 without a remainder.

1, 2, 5, 10, 8447, 16894, 42235

Step-4: Factors of 84490

List of positive integer factors of 84490 that divides 84470 without a remainder.

1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 71, 85, 119, 142, 170, 238, 355, 497, 595, 710, 994, 1190, 1207, 2414, 2485, 4970, 6035, 8449, 12070, 16898, 42245

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84470 and 84490. The biggest common factor number is the GCF number.
So the greatest common factor 84470 and 84490 is 10.

Also check out the Least Common Multiple of 84470 and 84490