What is the Least Common Multiple of 65115 and 65121?

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 65115 and 65121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65115 and 65121, than apply into the LCM equation.

GCF(65115,65121) = 3
LCM(65115,65121) = ( 65115 × 65121) / 3
LCM(65115,65121) = 4240353915 / 3
LCM(65115,65121) = 1413451305

Least Common Multiple (LCM) of 65115 and 65121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65115 and 65121. First we will calculate the prime factors of 65115 and 65121.

Prime Factorization of 65115

Prime Factorization of 65121

Now multiplying the highest exponent prime factors to calculate the LCM of 65115 and 65121.

LCM(65115,65121) = 3² × 5¹ × 1447¹ × 7² × 443¹
LCM(65115,65121) = 1413451305