What is the Least Common Multiple of 74970 and 74979?

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 74970 and 74979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74970 and 74979, than apply into the LCM equation.

GCF(74970,74979) = 9
LCM(74970,74979) = ( 74970 × 74979) / 9
LCM(74970,74979) = 5621175630 / 9
LCM(74970,74979) = 624575070

Least Common Multiple (LCM) of 74970 and 74979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74970 and 74979. First we will calculate the prime factors of 74970 and 74979.

Prime Factorization of 74970

Prime Factorization of 74979

Now multiplying the highest exponent prime factors to calculate the LCM of 74970 and 74979.

LCM(74970,74979) = 2¹ × 3³ × 5¹ × 7² × 17¹ × 2777¹
LCM(74970,74979) = 624575070