What is the Least Common Multiple of 20370 and 20382?

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 20382 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 20382, than apply into the LCM equation.

GCF(20370,20382) = 6
LCM(20370,20382) = ( 20370 × 20382) / 6
LCM(20370,20382) = 415181340 / 6
LCM(20370,20382) = 69196890

Least Common Multiple (LCM) of 20370 and 20382 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20370 and 20382. First we will calculate the prime factors of 20370 and 20382.

Prime Factorization of 20370

Prime Factorization of 20382

Now multiplying the highest exponent prime factors to calculate the LCM of 20370 and 20382.

LCM(20370,20382) = 2¹ × 3¹ × 5¹ × 7¹ × 97¹ × 43¹ × 79¹
LCM(20370,20382) = 69196890