What is the Least Common Multiple of 68090 and 68109?

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 68090 and 68109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68090 and 68109, than apply into the LCM equation.

GCF(68090,68109) = 1
LCM(68090,68109) = ( 68090 × 68109) / 1
LCM(68090,68109) = 4637541810 / 1
LCM(68090,68109) = 4637541810

Least Common Multiple (LCM) of 68090 and 68109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68090 and 68109. First we will calculate the prime factors of 68090 and 68109.

Prime Factorization of 68090

Prime Factorization of 68109

Now multiplying the highest exponent prime factors to calculate the LCM of 68090 and 68109.

LCM(68090,68109) = 2¹ × 5¹ × 11¹ × 619¹ × 3¹ × 73¹ × 311¹
LCM(68090,68109) = 4637541810