What is the Least Common Multiple of 73130 and 73138?

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 73130 and 73138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73130 and 73138, than apply into the LCM equation.

GCF(73130,73138) = 2
LCM(73130,73138) = ( 73130 × 73138) / 2
LCM(73130,73138) = 5348581940 / 2
LCM(73130,73138) = 2674290970

Least Common Multiple (LCM) of 73130 and 73138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73130 and 73138. First we will calculate the prime factors of 73130 and 73138.

Prime Factorization of 73130

Prime Factorization of 73138

Now multiplying the highest exponent prime factors to calculate the LCM of 73130 and 73138.

LCM(73130,73138) = 2¹ × 5¹ × 71¹ × 103¹ × 13¹ × 29¹ × 97¹
LCM(73130,73138) = 2674290970