What is the Least Common Multiple of 20330 and 20342?

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 20330 and 20342 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20330 and 20342, than apply into the LCM equation.

GCF(20330,20342) = 2
LCM(20330,20342) = ( 20330 × 20342) / 2
LCM(20330,20342) = 413552860 / 2
LCM(20330,20342) = 206776430

Least Common Multiple (LCM) of 20330 and 20342 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20330 and 20342. First we will calculate the prime factors of 20330 and 20342.

Prime Factorization of 20330

Prime Factorization of 20342

Now multiplying the highest exponent prime factors to calculate the LCM of 20330 and 20342.

LCM(20330,20342) = 2¹ × 5¹ × 19¹ × 107¹ × 7¹ × 1453¹
LCM(20330,20342) = 206776430