What is the Least Common Multiple of 23170 and 23180?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 23170 and 23180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23170 and 23180, than apply into the LCM equation.

GCF(23170,23180) = 10
LCM(23170,23180) = ( 23170 × 23180) / 10
LCM(23170,23180) = 537080600 / 10
LCM(23170,23180) = 53708060

Least Common Multiple (LCM) of 23170 and 23180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23170 and 23180. First we will calculate the prime factors of 23170 and 23180.

Prime Factorization of 23170

Prime Factorization of 23180

Now multiplying the highest exponent prime factors to calculate the LCM of 23170 and 23180.

LCM(23170,23180) = 2² × 5¹ × 7¹ × 331¹ × 19¹ × 61¹
LCM(23170,23180) = 53708060