What is the Least Common Multiple of 89431 and 89439?

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 89431 and 89439 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89431 and 89439, than apply into the LCM equation.

GCF(89431,89439) = 1
LCM(89431,89439) = ( 89431 × 89439) / 1
LCM(89431,89439) = 7998619209 / 1
LCM(89431,89439) = 7998619209

Least Common Multiple (LCM) of 89431 and 89439 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89431 and 89439. First we will calculate the prime factors of 89431 and 89439.

Prime Factorization of 89431

Prime Factorization of 89439

Now multiplying the highest exponent prime factors to calculate the LCM of 89431 and 89439.

LCM(89431,89439) = 89431¹ × 3¹ × 7¹ × 4259¹
LCM(89431,89439) = 7998619209