What is the Least Common Multiple of 68040 and 68055?

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 68040 and 68055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68040 and 68055, than apply into the LCM equation.

GCF(68040,68055) = 15
LCM(68040,68055) = ( 68040 × 68055) / 15
LCM(68040,68055) = 4630462200 / 15
LCM(68040,68055) = 308697480

Least Common Multiple (LCM) of 68040 and 68055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68040 and 68055. First we will calculate the prime factors of 68040 and 68055.

Prime Factorization of 68040

Prime Factorization of 68055

Now multiplying the highest exponent prime factors to calculate the LCM of 68040 and 68055.

LCM(68040,68055) = 2³ × 3⁵ × 5¹ × 7¹ × 13¹ × 349¹
LCM(68040,68055) = 308697480