What is the Greatest Common Factor of 70278 and 70291?

Greatest common factor (GCF) of 70278 and 70291 is 13.

GCF(70278,70291) = 13

We will now calculate the prime factors of 70278 and 70291, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70278 and 70291.

How to find the GCF of 70278 and 70291?

We will first find the prime factorization of 70278 and 70291. After we will calculate the factors of 70278 and 70291 and find the biggest common factor number .

Step-1: Prime Factorization of 70278

Prime factors of 70278 are 2, 3, 13, 17, 53. Prime factorization of 70278 in exponential form is:

70278 = 2¹ × 3¹ × 13¹ × 17¹ × 53¹

Step-2: Prime Factorization of 70291

Prime factors of 70291 are 13, 5407. Prime factorization of 70291 in exponential form is:

70291 = 13¹ × 5407¹

Step-3: Factors of 70278

List of positive integer factors of 70278 that divides 70278 without a remainder.

1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 53, 78, 102, 106, 159, 221, 318, 442, 663, 689, 901, 1326, 1378, 1802, 2067, 2703, 4134, 5406, 11713, 23426, 35139

Step-4: Factors of 70291

List of positive integer factors of 70291 that divides 70278 without a remainder.

1, 13, 5407

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70278 and 70291. The biggest common factor number is the GCF number.
So the greatest common factor 70278 and 70291 is 13.

Also check out the Least Common Multiple of 70278 and 70291