What is the Least Common Multiple of 91038 and 91042?

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 91038 and 91042 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91038 and 91042, than apply into the LCM equation.

GCF(91038,91042) = 2
LCM(91038,91042) = ( 91038 × 91042) / 2
LCM(91038,91042) = 8288281596 / 2
LCM(91038,91042) = 4144140798

Least Common Multiple (LCM) of 91038 and 91042 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91038 and 91042. First we will calculate the prime factors of 91038 and 91042.

Prime Factorization of 91038

Prime Factorization of 91042

Now multiplying the highest exponent prime factors to calculate the LCM of 91038 and 91042.

LCM(91038,91042) = 2¹ × 3¹ × 15173¹ × 7² × 929¹
LCM(91038,91042) = 4144140798