What is the Least Common Multiple of 66115 and 66122?

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 66115 and 66122 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66115 and 66122, than apply into the LCM equation.

GCF(66115,66122) = 7
LCM(66115,66122) = ( 66115 × 66122) / 7
LCM(66115,66122) = 4371656030 / 7
LCM(66115,66122) = 624522290

Least Common Multiple (LCM) of 66115 and 66122 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66115 and 66122. First we will calculate the prime factors of 66115 and 66122.

Prime Factorization of 66115

Prime Factorization of 66122

Now multiplying the highest exponent prime factors to calculate the LCM of 66115 and 66122.

LCM(66115,66122) = 5¹ × 7¹ × 1889¹ × 2¹ × 4723¹
LCM(66115,66122) = 624522290