What is the Least Common Multiple of 82390 and 82398?

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 82390 and 82398 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82390 and 82398, than apply into the LCM equation.

GCF(82390,82398) = 2
LCM(82390,82398) = ( 82390 × 82398) / 2
LCM(82390,82398) = 6788771220 / 2
LCM(82390,82398) = 3394385610

Least Common Multiple (LCM) of 82390 and 82398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82390 and 82398. First we will calculate the prime factors of 82390 and 82398.

Prime Factorization of 82390

Prime Factorization of 82398

Now multiplying the highest exponent prime factors to calculate the LCM of 82390 and 82398.

LCM(82390,82398) = 2¹ × 5¹ × 7¹ × 11¹ × 107¹ × 3¹ × 31¹ × 443¹
LCM(82390,82398) = 3394385610