What is the Least Common Multiple of 70021 and 70030?

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 70021 and 70030 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70021 and 70030, than apply into the LCM equation.

GCF(70021,70030) = 1
LCM(70021,70030) = ( 70021 × 70030) / 1
LCM(70021,70030) = 4903570630 / 1
LCM(70021,70030) = 4903570630

Least Common Multiple (LCM) of 70021 and 70030 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70021 and 70030. First we will calculate the prime factors of 70021 and 70030.

Prime Factorization of 70021

Prime Factorization of 70030

Now multiplying the highest exponent prime factors to calculate the LCM of 70021 and 70030.

LCM(70021,70030) = 7² × 1429¹ × 2¹ × 5¹ × 47¹ × 149¹
LCM(70021,70030) = 4903570630