What is the Least Common Multiple of 70409 and 70428?

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 70409 and 70428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70409 and 70428, than apply into the LCM equation.

GCF(70409,70428) = 1
LCM(70409,70428) = ( 70409 × 70428) / 1
LCM(70409,70428) = 4958765052 / 1
LCM(70409,70428) = 4958765052

Least Common Multiple (LCM) of 70409 and 70428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70409 and 70428. First we will calculate the prime factors of 70409 and 70428.

Prime Factorization of 70409

Prime Factorization of 70428

Now multiplying the highest exponent prime factors to calculate the LCM of 70409 and 70428.

LCM(70409,70428) = 181¹ × 389¹ × 2² × 3¹ × 5869¹
LCM(70409,70428) = 4958765052