What is the Least Common Multiple of 43121 and 43139?

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 43121 and 43139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43121 and 43139, than apply into the LCM equation.

GCF(43121,43139) = 1
LCM(43121,43139) = ( 43121 × 43139) / 1
LCM(43121,43139) = 1860196819 / 1
LCM(43121,43139) = 1860196819

Least Common Multiple (LCM) of 43121 and 43139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43121 and 43139. First we will calculate the prime factors of 43121 and 43139.

Prime Factorization of 43121

Prime Factorization of 43139

Now multiplying the highest exponent prime factors to calculate the LCM of 43121 and 43139.

LCM(43121,43139) = 13¹ × 31¹ × 107¹ × 179¹ × 241¹
LCM(43121,43139) = 1860196819