What is the Least Common Multiple of 46438 and 46458?

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 46438 and 46458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 46438 and 46458, than apply into the LCM equation.

GCF(46438,46458) = 2
LCM(46438,46458) = ( 46438 × 46458) / 2
LCM(46438,46458) = 2157416604 / 2
LCM(46438,46458) = 1078708302

Least Common Multiple (LCM) of 46438 and 46458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 46438 and 46458. First we will calculate the prime factors of 46438 and 46458.

Prime Factorization of 46438

Prime Factorization of 46458

Now multiplying the highest exponent prime factors to calculate the LCM of 46438 and 46458.

LCM(46438,46458) = 2¹ × 7¹ × 31¹ × 107¹ × 3² × 29¹ × 89¹
LCM(46438,46458) = 1078708302