What is the Greatest Common Factor of 68479 and 68490?

Greatest common factor (GCF) of 68479 and 68490 is 1.

GCF(68479,68490) = 1

We will now calculate the prime factors of 68479 and 68490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68479 and 68490.

How to find the GCF of 68479 and 68490?

We will first find the prime factorization of 68479 and 68490. After we will calculate the factors of 68479 and 68490 and find the biggest common factor number .

Step-1: Prime Factorization of 68479

Prime factors of 68479 are 31, 47. Prime factorization of 68479 in exponential form is:

68479 = 31¹ × 47²

Step-2: Prime Factorization of 68490

Prime factors of 68490 are 2, 3, 5, 761. Prime factorization of 68490 in exponential form is:

68490 = 2¹ × 3² × 5¹ × 761¹

Step-3: Factors of 68479

List of positive integer factors of 68479 that divides 68479 without a remainder.

1, 31, 47, 1457, 2209

Step-4: Factors of 68490

List of positive integer factors of 68490 that divides 68479 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 761, 1522, 2283, 3805, 4566, 6849, 7610, 11415, 13698, 22830, 34245

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68479 and 68490. The biggest common factor number is the GCF number.
So the greatest common factor 68479 and 68490 is 1.

Also check out the Least Common Multiple of 68479 and 68490