What is the Least Common Multiple of 99910 and 99915?

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 99910 and 99915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99910 and 99915, than apply into the LCM equation.

GCF(99910,99915) = 5
LCM(99910,99915) = ( 99910 × 99915) / 5
LCM(99910,99915) = 9982507650 / 5
LCM(99910,99915) = 1996501530

Least Common Multiple (LCM) of 99910 and 99915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99910 and 99915. First we will calculate the prime factors of 99910 and 99915.

Prime Factorization of 99910

Prime Factorization of 99915

Now multiplying the highest exponent prime factors to calculate the LCM of 99910 and 99915.

LCM(99910,99915) = 2¹ × 5¹ × 97¹ × 103¹ × 3¹ × 6661¹
LCM(99910,99915) = 1996501530