What is the Greatest Common Factor of 30370 and 30380?

Greatest common factor (GCF) of 30370 and 30380 is 10.

GCF(30370,30380) = 10

We will now calculate the prime factors of 30370 and 30380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30370 and 30380.

How to find the GCF of 30370 and 30380?

We will first find the prime factorization of 30370 and 30380. After we will calculate the factors of 30370 and 30380 and find the biggest common factor number .

Step-1: Prime Factorization of 30370

Prime factors of 30370 are 2, 5, 3037. Prime factorization of 30370 in exponential form is:

30370 = 2¹ × 5¹ × 3037¹

Step-2: Prime Factorization of 30380

Prime factors of 30380 are 2, 5, 7, 31. Prime factorization of 30380 in exponential form is:

30380 = 2² × 5¹ × 7² × 31¹

Step-3: Factors of 30370

List of positive integer factors of 30370 that divides 30370 without a remainder.

1, 2, 5, 10, 3037, 6074, 15185

Step-4: Factors of 30380

List of positive integer factors of 30380 that divides 30370 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30370 and 30380. The biggest common factor number is the GCF number.
So the greatest common factor 30370 and 30380 is 10.

Also check out the Least Common Multiple of 30370 and 30380