What is the Least Common Multiple of 89128 and 89138?

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 89128 and 89138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89128 and 89138, than apply into the LCM equation.

GCF(89128,89138) = 2
LCM(89128,89138) = ( 89128 × 89138) / 2
LCM(89128,89138) = 7944691664 / 2
LCM(89128,89138) = 3972345832

Least Common Multiple (LCM) of 89128 and 89138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89128 and 89138. First we will calculate the prime factors of 89128 and 89138.

Prime Factorization of 89128

Prime Factorization of 89138

Now multiplying the highest exponent prime factors to calculate the LCM of 89128 and 89138.

LCM(89128,89138) = 2³ × 13¹ × 857¹ × 7¹ × 6367¹
LCM(89128,89138) = 3972345832