What is the Least Common Multiple of 71321 and 71325?

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 71321 and 71325 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71321 and 71325, than apply into the LCM equation.

GCF(71321,71325) = 1
LCM(71321,71325) = ( 71321 × 71325) / 1
LCM(71321,71325) = 5086970325 / 1
LCM(71321,71325) = 5086970325

Least Common Multiple (LCM) of 71321 and 71325 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71321 and 71325. First we will calculate the prime factors of 71321 and 71325.

Prime Factorization of 71321

Prime Factorization of 71325

Now multiplying the highest exponent prime factors to calculate the LCM of 71321 and 71325.

LCM(71321,71325) = 73¹ × 977¹ × 3² × 5² × 317¹
LCM(71321,71325) = 5086970325