What is the Least Common Multiple of 65578 and 65591?

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 65578 and 65591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65578 and 65591, than apply into the LCM equation.

GCF(65578,65591) = 1
LCM(65578,65591) = ( 65578 × 65591) / 1
LCM(65578,65591) = 4301326598 / 1
LCM(65578,65591) = 4301326598

Least Common Multiple (LCM) of 65578 and 65591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65578 and 65591. First we will calculate the prime factors of 65578 and 65591.

Prime Factorization of 65578

Prime Factorization of 65591

Now multiplying the highest exponent prime factors to calculate the LCM of 65578 and 65591.

LCM(65578,65591) = 2¹ × 32789¹ × 107¹ × 613¹
LCM(65578,65591) = 4301326598