What is the Least Common Multiple of 72080 and 72098?

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 72098 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 72098, than apply into the LCM equation.

GCF(72080,72098) = 2
LCM(72080,72098) = ( 72080 × 72098) / 2
LCM(72080,72098) = 5196823840 / 2
LCM(72080,72098) = 2598411920

Least Common Multiple (LCM) of 72080 and 72098 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72080 and 72098. First we will calculate the prime factors of 72080 and 72098.

Prime Factorization of 72080

Prime Factorization of 72098

Now multiplying the highest exponent prime factors to calculate the LCM of 72080 and 72098.

LCM(72080,72098) = 2⁴ × 5¹ × 17¹ × 53¹ × 13¹ × 47¹ × 59¹
LCM(72080,72098) = 2598411920