What is the Least Common Multiple of 55990 and 56001?

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 55990 and 56001 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55990 and 56001, than apply into the LCM equation.

GCF(55990,56001) = 11
LCM(55990,56001) = ( 55990 × 56001) / 11
LCM(55990,56001) = 3135495990 / 11
LCM(55990,56001) = 285045090

Least Common Multiple (LCM) of 55990 and 56001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55990 and 56001. First we will calculate the prime factors of 55990 and 56001.

Prime Factorization of 55990

Prime Factorization of 56001

Now multiplying the highest exponent prime factors to calculate the LCM of 55990 and 56001.

LCM(55990,56001) = 2¹ × 5¹ × 11¹ × 509¹ × 3¹ × 1697¹
LCM(55990,56001) = 285045090