What is the Least Common Multiple of 72080 and 72091?

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 72080 and 72091 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72080 and 72091, than apply into the LCM equation.

GCF(72080,72091) = 1
LCM(72080,72091) = ( 72080 × 72091) / 1
LCM(72080,72091) = 5196319280 / 1
LCM(72080,72091) = 5196319280

Least Common Multiple (LCM) of 72080 and 72091 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72080 and 72091. First we will calculate the prime factors of 72080 and 72091.

Prime Factorization of 72080

Prime Factorization of 72091

Now multiplying the highest exponent prime factors to calculate the LCM of 72080 and 72091.

LCM(72080,72091) = 2⁴ × 5¹ × 17¹ × 53¹ × 72091¹
LCM(72080,72091) = 5196319280