What is the Least Common Multiple of 97785 and 97805?

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 97785 and 97805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97785 and 97805, than apply into the LCM equation.

GCF(97785,97805) = 5
LCM(97785,97805) = ( 97785 × 97805) / 5
LCM(97785,97805) = 9563861925 / 5
LCM(97785,97805) = 1912772385

Least Common Multiple (LCM) of 97785 and 97805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97785 and 97805. First we will calculate the prime factors of 97785 and 97805.

Prime Factorization of 97785

Prime Factorization of 97805

Now multiplying the highest exponent prime factors to calculate the LCM of 97785 and 97805.

LCM(97785,97805) = 3² × 5¹ × 41¹ × 53¹ × 31¹ × 631¹
LCM(97785,97805) = 1912772385