What is the Least Common Multiple of 89121 and 89129?

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 89121 and 89129 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89121 and 89129, than apply into the LCM equation.

GCF(89121,89129) = 1
LCM(89121,89129) = ( 89121 × 89129) / 1
LCM(89121,89129) = 7943265609 / 1
LCM(89121,89129) = 7943265609

Least Common Multiple (LCM) of 89121 and 89129 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89121 and 89129. First we will calculate the prime factors of 89121 and 89129.

Prime Factorization of 89121

Prime Factorization of 89129

Now multiplying the highest exponent prime factors to calculate the LCM of 89121 and 89129.

LCM(89121,89129) = 3¹ × 61¹ × 487¹ × 19¹ × 4691¹
LCM(89121,89129) = 7943265609