What is the Least Common Multiple of 81125 and 81139?

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 81125 and 81139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81125 and 81139, than apply into the LCM equation.

GCF(81125,81139) = 1
LCM(81125,81139) = ( 81125 × 81139) / 1
LCM(81125,81139) = 6582401375 / 1
LCM(81125,81139) = 6582401375

Least Common Multiple (LCM) of 81125 and 81139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81125 and 81139. First we will calculate the prime factors of 81125 and 81139.

Prime Factorization of 81125

Prime Factorization of 81139

Now multiplying the highest exponent prime factors to calculate the LCM of 81125 and 81139.

LCM(81125,81139) = 5³ × 11¹ × 59¹ × 41¹ × 1979¹
LCM(81125,81139) = 6582401375