What is the Least Common Multiple of 46390 and 46405?

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 46390 and 46405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 46390 and 46405, than apply into the LCM equation.

GCF(46390,46405) = 5
LCM(46390,46405) = ( 46390 × 46405) / 5
LCM(46390,46405) = 2152727950 / 5
LCM(46390,46405) = 430545590

Least Common Multiple (LCM) of 46390 and 46405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 46390 and 46405. First we will calculate the prime factors of 46390 and 46405.

Prime Factorization of 46390

Prime Factorization of 46405

Now multiplying the highest exponent prime factors to calculate the LCM of 46390 and 46405.

LCM(46390,46405) = 2¹ × 5¹ × 4639¹ × 9281¹
LCM(46390,46405) = 430545590