What is the Least Common Multiple of 77390 and 77398?

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 77390 and 77398 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77390 and 77398, than apply into the LCM equation.

GCF(77390,77398) = 2
LCM(77390,77398) = ( 77390 × 77398) / 2
LCM(77390,77398) = 5989831220 / 2
LCM(77390,77398) = 2994915610

Least Common Multiple (LCM) of 77390 and 77398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77390 and 77398. First we will calculate the prime factors of 77390 and 77398.

Prime Factorization of 77390

Prime Factorization of 77398

Now multiplying the highest exponent prime factors to calculate the LCM of 77390 and 77398.

LCM(77390,77398) = 2¹ × 5¹ × 71¹ × 109¹ × 38699¹
LCM(77390,77398) = 2994915610