What is the Least Common Multiple of 99772 and 99790?

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 99772 and 99790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99772 and 99790, than apply into the LCM equation.

GCF(99772,99790) = 2
LCM(99772,99790) = ( 99772 × 99790) / 2
LCM(99772,99790) = 9956247880 / 2
LCM(99772,99790) = 4978123940

Least Common Multiple (LCM) of 99772 and 99790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99772 and 99790. First we will calculate the prime factors of 99772 and 99790.

Prime Factorization of 99772

Prime Factorization of 99790

Now multiplying the highest exponent prime factors to calculate the LCM of 99772 and 99790.

LCM(99772,99790) = 2² × 24943¹ × 5¹ × 17¹ × 587¹
LCM(99772,99790) = 4978123940