What is the Least Common Multiple of 86123 and 86140?

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 86123 and 86140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86123 and 86140, than apply into the LCM equation.

GCF(86123,86140) = 1
LCM(86123,86140) = ( 86123 × 86140) / 1
LCM(86123,86140) = 7418635220 / 1
LCM(86123,86140) = 7418635220

Least Common Multiple (LCM) of 86123 and 86140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86123 and 86140. First we will calculate the prime factors of 86123 and 86140.

Prime Factorization of 86123

Prime Factorization of 86140

Now multiplying the highest exponent prime factors to calculate the LCM of 86123 and 86140.

LCM(86123,86140) = 71¹ × 1213¹ × 2² × 5¹ × 59¹ × 73¹
LCM(86123,86140) = 7418635220