What is the Greatest Common Factor of 30578 and 30590?

Greatest common factor (GCF) of 30578 and 30590 is 2.

GCF(30578,30590) = 2

We will now calculate the prime factors of 30578 and 30590, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30578 and 30590.

How to find the GCF of 30578 and 30590?

We will first find the prime factorization of 30578 and 30590. After we will calculate the factors of 30578 and 30590 and find the biggest common factor number .

Step-1: Prime Factorization of 30578

Prime factors of 30578 are 2, 15289. Prime factorization of 30578 in exponential form is:

30578 = 2¹ × 15289¹

Step-2: Prime Factorization of 30590

Prime factors of 30590 are 2, 5, 7, 19, 23. Prime factorization of 30590 in exponential form is:

30590 = 2¹ × 5¹ × 7¹ × 19¹ × 23¹

Step-3: Factors of 30578

List of positive integer factors of 30578 that divides 30578 without a remainder.

1, 2, 15289

Step-4: Factors of 30590

List of positive integer factors of 30590 that divides 30578 without a remainder.

1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 805, 874, 1330, 1610, 2185, 3059, 4370, 6118, 15295

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30578 and 30590. The biggest common factor number is the GCF number.
So the greatest common factor 30578 and 30590 is 2.

Also check out the Least Common Multiple of 30578 and 30590