What is the Least Common Multiple of 30040 and 30056?

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 30040 and 30056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30040 and 30056, than apply into the LCM equation.

GCF(30040,30056) = 8
LCM(30040,30056) = ( 30040 × 30056) / 8
LCM(30040,30056) = 902882240 / 8
LCM(30040,30056) = 112860280

Least Common Multiple (LCM) of 30040 and 30056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30040 and 30056. First we will calculate the prime factors of 30040 and 30056.

Prime Factorization of 30040

Prime Factorization of 30056

Now multiplying the highest exponent prime factors to calculate the LCM of 30040 and 30056.

LCM(30040,30056) = 2³ × 5¹ × 751¹ × 13¹ × 17²
LCM(30040,30056) = 112860280