What is the Least Common Multiple of 97855 and 97870?

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 97855 and 97870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97855 and 97870, than apply into the LCM equation.

GCF(97855,97870) = 5
LCM(97855,97870) = ( 97855 × 97870) / 5
LCM(97855,97870) = 9577068850 / 5
LCM(97855,97870) = 1915413770

Least Common Multiple (LCM) of 97855 and 97870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97855 and 97870. First we will calculate the prime factors of 97855 and 97870.

Prime Factorization of 97855

Prime Factorization of 97870

Now multiplying the highest exponent prime factors to calculate the LCM of 97855 and 97870.

LCM(97855,97870) = 5¹ × 19571¹ × 2¹ × 9787¹
LCM(97855,97870) = 1915413770