What is the Least Common Multiple of 67490 and 67498?

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 67490 and 67498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67490 and 67498, than apply into the LCM equation.

GCF(67490,67498) = 2
LCM(67490,67498) = ( 67490 × 67498) / 2
LCM(67490,67498) = 4555440020 / 2
LCM(67490,67498) = 2277720010

Least Common Multiple (LCM) of 67490 and 67498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67490 and 67498. First we will calculate the prime factors of 67490 and 67498.

Prime Factorization of 67490

Prime Factorization of 67498

Now multiplying the highest exponent prime factors to calculate the LCM of 67490 and 67498.

LCM(67490,67498) = 2¹ × 5¹ × 17¹ × 397¹ × 33749¹
LCM(67490,67498) = 2277720010