What is the Least Common Multiple of 66143 and 66157?

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 66143 and 66157 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66143 and 66157, than apply into the LCM equation.

GCF(66143,66157) = 7
LCM(66143,66157) = ( 66143 × 66157) / 7
LCM(66143,66157) = 4375822451 / 7
LCM(66143,66157) = 625117493

Least Common Multiple (LCM) of 66143 and 66157 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66143 and 66157. First we will calculate the prime factors of 66143 and 66157.

Prime Factorization of 66143

Prime Factorization of 66157

Now multiplying the highest exponent prime factors to calculate the LCM of 66143 and 66157.

LCM(66143,66157) = 7¹ × 11¹ × 859¹ × 13¹ × 727¹
LCM(66143,66157) = 625117493