What is the Least Common Multiple of 20056 and 20070?

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 20056 and 20070 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20056 and 20070, than apply into the LCM equation.

GCF(20056,20070) = 2
LCM(20056,20070) = ( 20056 × 20070) / 2
LCM(20056,20070) = 402523920 / 2
LCM(20056,20070) = 201261960

Least Common Multiple (LCM) of 20056 and 20070 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20056 and 20070. First we will calculate the prime factors of 20056 and 20070.

Prime Factorization of 20056

Prime Factorization of 20070

Now multiplying the highest exponent prime factors to calculate the LCM of 20056 and 20070.

LCM(20056,20070) = 2³ × 23¹ × 109¹ × 3² × 5¹ × 223¹
LCM(20056,20070) = 201261960