What is the Least Common Multiple of 82990 and 82997?

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 82990 and 82997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82990 and 82997, than apply into the LCM equation.

GCF(82990,82997) = 1
LCM(82990,82997) = ( 82990 × 82997) / 1
LCM(82990,82997) = 6887921030 / 1
LCM(82990,82997) = 6887921030

Least Common Multiple (LCM) of 82990 and 82997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82990 and 82997. First we will calculate the prime factors of 82990 and 82997.

Prime Factorization of 82990

Prime Factorization of 82997

Now multiplying the highest exponent prime factors to calculate the LCM of 82990 and 82997.

LCM(82990,82997) = 2¹ × 5¹ × 43¹ × 193¹ × 82997¹
LCM(82990,82997) = 6887921030