What is the Least Common Multiple of 30856 and 30860?

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 30856 and 30860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30856 and 30860, than apply into the LCM equation.

GCF(30856,30860) = 4
LCM(30856,30860) = ( 30856 × 30860) / 4
LCM(30856,30860) = 952216160 / 4
LCM(30856,30860) = 238054040

Least Common Multiple (LCM) of 30856 and 30860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30856 and 30860. First we will calculate the prime factors of 30856 and 30860.

Prime Factorization of 30856

Prime Factorization of 30860

Now multiplying the highest exponent prime factors to calculate the LCM of 30856 and 30860.

LCM(30856,30860) = 2³ × 7¹ × 19¹ × 29¹ × 5¹ × 1543¹
LCM(30856,30860) = 238054040