What is the Least Common Multiple of 65989 and 65993?

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 65989 and 65993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65989 and 65993, than apply into the LCM equation.

GCF(65989,65993) = 1
LCM(65989,65993) = ( 65989 × 65993) / 1
LCM(65989,65993) = 4354812077 / 1
LCM(65989,65993) = 4354812077

Least Common Multiple (LCM) of 65989 and 65993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65989 and 65993. First we will calculate the prime factors of 65989 and 65993.

Prime Factorization of 65989

Prime Factorization of 65993

Now multiplying the highest exponent prime factors to calculate the LCM of 65989 and 65993.

LCM(65989,65993) = 7¹ × 11¹ × 857¹ × 65993¹
LCM(65989,65993) = 4354812077