What is the Greatest Common Factor of 68490 and 68495?

Greatest common factor (GCF) of 68490 and 68495 is 5.

GCF(68490,68495) = 5

We will now calculate the prime factors of 68490 and 68495, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68490 and 68495.

How to find the GCF of 68490 and 68495?

We will first find the prime factorization of 68490 and 68495. After we will calculate the factors of 68490 and 68495 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 68495

Prime factors of 68495 are 5, 7, 19, 103. Prime factorization of 68495 in exponential form is:

68495 = 5¹ × 7¹ × 19¹ × 103¹

Step-3: Factors of 68490

List of positive integer factors of 68490 that divides 68490 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

Step-4: Factors of 68495

List of positive integer factors of 68495 that divides 68490 without a remainder.

1, 5, 7, 19, 35, 95, 103, 133, 515, 665, 721, 1957, 3605, 9785, 13699

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68490 and 68495. The biggest common factor number is the GCF number.
So the greatest common factor 68490 and 68495 is 5.

Also check out the Least Common Multiple of 68490 and 68495