What is the Least Common Multiple of 99280 and 99290?

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 99280 and 99290 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99280 and 99290, than apply into the LCM equation.

GCF(99280,99290) = 10
LCM(99280,99290) = ( 99280 × 99290) / 10
LCM(99280,99290) = 9857511200 / 10
LCM(99280,99290) = 985751120

Least Common Multiple (LCM) of 99280 and 99290 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99280 and 99290. First we will calculate the prime factors of 99280 and 99290.

Prime Factorization of 99280

Prime Factorization of 99290

Now multiplying the highest exponent prime factors to calculate the LCM of 99280 and 99290.

LCM(99280,99290) = 2⁴ × 5¹ × 17¹ × 73¹ × 9929¹
LCM(99280,99290) = 985751120