What is the Least Common Multiple of 69805 and 69815?

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 69805 and 69815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69805 and 69815, than apply into the LCM equation.

GCF(69805,69815) = 5
LCM(69805,69815) = ( 69805 × 69815) / 5
LCM(69805,69815) = 4873436075 / 5
LCM(69805,69815) = 974687215

Least Common Multiple (LCM) of 69805 and 69815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69805 and 69815. First we will calculate the prime factors of 69805 and 69815.

Prime Factorization of 69805

Prime Factorization of 69815

Now multiplying the highest exponent prime factors to calculate the LCM of 69805 and 69815.

LCM(69805,69815) = 5¹ × 23¹ × 607¹ × 13963¹
LCM(69805,69815) = 974687215