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What is the Least Common Multiple of 30060 and 30080?

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 (LCM) of 30060 and 30080 is 45210240.

LCM(30060,30080) = 45210240

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Least Common Multiple of 30060 and 30080 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30060 and 30080, than apply into the LCM equation.

GCF(30060,30080) = 20
LCM(30060,30080) = ( 30060 × 30080) / 20
LCM(30060,30080) = 904204800 / 20
LCM(30060,30080) = 45210240

Least Common Multiple (LCM) of 30060 and 30080 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30060 and 30080. First we will calculate the prime factors of 30060 and 30080.

Prime Factorization of 30060

Prime factors of 30060 are 2, 3, 5, 167. Prime factorization of 30060 in exponential form is:

30060 = 22 × 32 × 51 × 1671

Prime Factorization of 30080

Prime factors of 30080 are 2, 5, 47. Prime factorization of 30080 in exponential form is:

30080 = 27 × 51 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 30060 and 30080.

LCM(30060,30080) = 27 × 32 × 51 × 1671 × 471
LCM(30060,30080) = 45210240