What is the Greatest Common Factor of 30438 and 30446?

Greatest common factor (GCF) of 30438 and 30446 is 2.

GCF(30438,30446) = 2

We will now calculate the prime factors of 30438 and 30446, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30438 and 30446.

How to find the GCF of 30438 and 30446?

We will first find the prime factorization of 30438 and 30446. After we will calculate the factors of 30438 and 30446 and find the biggest common factor number .

Step-1: Prime Factorization of 30438

Prime factors of 30438 are 2, 3, 19, 89. Prime factorization of 30438 in exponential form is:

30438 = 2¹ × 3² × 19¹ × 89¹

Step-2: Prime Factorization of 30446

Prime factors of 30446 are 2, 13, 1171. Prime factorization of 30446 in exponential form is:

30446 = 2¹ × 13¹ × 1171¹

Step-3: Factors of 30438

List of positive integer factors of 30438 that divides 30438 without a remainder.

1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 801, 1602, 1691, 3382, 5073, 10146, 15219

Step-4: Factors of 30446

List of positive integer factors of 30446 that divides 30438 without a remainder.

1, 2, 13, 26, 1171, 2342, 15223

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30438 and 30446. The biggest common factor number is the GCF number.
So the greatest common factor 30438 and 30446 is 2.

Also check out the Least Common Multiple of 30438 and 30446