What is the Least Common Multiple of 30685 and 30700?

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 30685 and 30700 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30685 and 30700, than apply into the LCM equation.

GCF(30685,30700) = 5
LCM(30685,30700) = ( 30685 × 30700) / 5
LCM(30685,30700) = 942029500 / 5
LCM(30685,30700) = 188405900

Least Common Multiple (LCM) of 30685 and 30700 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30685 and 30700. First we will calculate the prime factors of 30685 and 30700.

Prime Factorization of 30685

Prime Factorization of 30700

Now multiplying the highest exponent prime factors to calculate the LCM of 30685 and 30700.

LCM(30685,30700) = 5² × 17¹ × 19² × 2² × 307¹
LCM(30685,30700) = 188405900