What is the Least Common Multiple of 70281 and 70290?

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 70281 and 70290 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70281 and 70290, than apply into the LCM equation.

GCF(70281,70290) = 9
LCM(70281,70290) = ( 70281 × 70290) / 9
LCM(70281,70290) = 4940051490 / 9
LCM(70281,70290) = 548894610

Least Common Multiple (LCM) of 70281 and 70290 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70281 and 70290. First we will calculate the prime factors of 70281 and 70290.

Prime Factorization of 70281

Prime Factorization of 70290

Now multiplying the highest exponent prime factors to calculate the LCM of 70281 and 70290.

LCM(70281,70290) = 3³ × 19¹ × 137¹ × 2¹ × 5¹ × 11¹ × 71¹
LCM(70281,70290) = 548894610