What is the Least Common Multiple of 85130 and 85138?

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 85130 and 85138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85130 and 85138, than apply into the LCM equation.

GCF(85130,85138) = 2
LCM(85130,85138) = ( 85130 × 85138) / 2
LCM(85130,85138) = 7247797940 / 2
LCM(85130,85138) = 3623898970

Least Common Multiple (LCM) of 85130 and 85138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85130 and 85138. First we will calculate the prime factors of 85130 and 85138.

Prime Factorization of 85130

Prime Factorization of 85138

Now multiplying the highest exponent prime factors to calculate the LCM of 85130 and 85138.

LCM(85130,85138) = 2¹ × 5¹ × 8513¹ × 42569¹
LCM(85130,85138) = 3623898970