What is the Least Common Multiple of 30700 and 30715?

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 30700 and 30715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30700 and 30715, than apply into the LCM equation.

GCF(30700,30715) = 5
LCM(30700,30715) = ( 30700 × 30715) / 5
LCM(30700,30715) = 942950500 / 5
LCM(30700,30715) = 188590100

Least Common Multiple (LCM) of 30700 and 30715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30700 and 30715. First we will calculate the prime factors of 30700 and 30715.

Prime Factorization of 30700

Prime Factorization of 30715

Now multiplying the highest exponent prime factors to calculate the LCM of 30700 and 30715.

LCM(30700,30715) = 2² × 5² × 307¹ × 6143¹
LCM(30700,30715) = 188590100