What is the Least Common Multiple of 13130 and 13138?

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 13130 and 13138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13130 and 13138, than apply into the LCM equation.

GCF(13130,13138) = 2
LCM(13130,13138) = ( 13130 × 13138) / 2
LCM(13130,13138) = 172501940 / 2
LCM(13130,13138) = 86250970

Least Common Multiple (LCM) of 13130 and 13138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13130 and 13138. First we will calculate the prime factors of 13130 and 13138.

Prime Factorization of 13130

Prime Factorization of 13138

Now multiplying the highest exponent prime factors to calculate the LCM of 13130 and 13138.

LCM(13130,13138) = 2¹ × 5¹ × 13¹ × 101¹ × 6569¹
LCM(13130,13138) = 86250970