What is the Least Common Multiple of 66178 and 66185?

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 66178 and 66185 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66178 and 66185, than apply into the LCM equation.

GCF(66178,66185) = 7
LCM(66178,66185) = ( 66178 × 66185) / 7
LCM(66178,66185) = 4379990930 / 7
LCM(66178,66185) = 625712990

Least Common Multiple (LCM) of 66178 and 66185 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66178 and 66185. First we will calculate the prime factors of 66178 and 66185.

Prime Factorization of 66178

Prime Factorization of 66185

Now multiplying the highest exponent prime factors to calculate the LCM of 66178 and 66185.

LCM(66178,66185) = 2¹ × 7¹ × 29¹ × 163¹ × 5¹ × 31¹ × 61¹
LCM(66178,66185) = 625712990