What is the Greatest Common Factor of 71390 and 71402?

Greatest common factor (GCF) of 71390 and 71402 is 2.

GCF(71390,71402) = 2

We will now calculate the prime factors of 71390 and 71402, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71390 and 71402.

How to find the GCF of 71390 and 71402?

We will first find the prime factorization of 71390 and 71402. After we will calculate the factors of 71390 and 71402 and find the biggest common factor number .

Step-1: Prime Factorization of 71390

Prime factors of 71390 are 2, 5, 11, 59. Prime factorization of 71390 in exponential form is:

71390 = 2¹ × 5¹ × 11² × 59¹

Step-2: Prime Factorization of 71402

Prime factors of 71402 are 2, 19, 1879. Prime factorization of 71402 in exponential form is:

71402 = 2¹ × 19¹ × 1879¹

Step-3: Factors of 71390

List of positive integer factors of 71390 that divides 71390 without a remainder.

1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 121, 242, 295, 590, 605, 649, 1210, 1298, 3245, 6490, 7139, 14278, 35695

Step-4: Factors of 71402

List of positive integer factors of 71402 that divides 71390 without a remainder.

1, 2, 19, 38, 1879, 3758, 35701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71390 and 71402. The biggest common factor number is the GCF number.
So the greatest common factor 71390 and 71402 is 2.

Also check out the Least Common Multiple of 71390 and 71402