What is the Least Common Multiple of 32401 and 32415?

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 32401 and 32415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 32401 and 32415, than apply into the LCM equation.

GCF(32401,32415) = 1
LCM(32401,32415) = ( 32401 × 32415) / 1
LCM(32401,32415) = 1050278415 / 1
LCM(32401,32415) = 1050278415

Least Common Multiple (LCM) of 32401 and 32415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 32401 and 32415. First we will calculate the prime factors of 32401 and 32415.

Prime Factorization of 32401

Prime Factorization of 32415

Now multiplying the highest exponent prime factors to calculate the LCM of 32401 and 32415.

LCM(32401,32415) = 32401¹ × 3¹ × 5¹ × 2161¹
LCM(32401,32415) = 1050278415