What is the Least Common Multiple of 20370 and 20387?

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 20370 and 20387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20370 and 20387, than apply into the LCM equation.

GCF(20370,20387) = 1
LCM(20370,20387) = ( 20370 × 20387) / 1
LCM(20370,20387) = 415283190 / 1
LCM(20370,20387) = 415283190

Least Common Multiple (LCM) of 20370 and 20387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20370 and 20387. First we will calculate the prime factors of 20370 and 20387.

Prime Factorization of 20370

Prime Factorization of 20387

Now multiplying the highest exponent prime factors to calculate the LCM of 20370 and 20387.

LCM(20370,20387) = 2¹ × 3¹ × 5¹ × 7¹ × 97¹ × 19¹ × 29¹ × 37¹
LCM(20370,20387) = 415283190