What is the Least Common Multiple of 45605 and 45609?

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 45605 and 45609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45605 and 45609, than apply into the LCM equation.

GCF(45605,45609) = 1
LCM(45605,45609) = ( 45605 × 45609) / 1
LCM(45605,45609) = 2079998445 / 1
LCM(45605,45609) = 2079998445

Least Common Multiple (LCM) of 45605 and 45609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45605 and 45609. First we will calculate the prime factors of 45605 and 45609.

Prime Factorization of 45605

Prime Factorization of 45609

Now multiplying the highest exponent prime factors to calculate the LCM of 45605 and 45609.

LCM(45605,45609) = 5¹ × 7¹ × 1303¹ × 3¹ × 23¹ × 661¹
LCM(45605,45609) = 2079998445