What is the Least Common Multiple of 45158 and 45170?

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 45158 and 45170 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45158 and 45170, than apply into the LCM equation.

GCF(45158,45170) = 2
LCM(45158,45170) = ( 45158 × 45170) / 2
LCM(45158,45170) = 2039786860 / 2
LCM(45158,45170) = 1019893430

Least Common Multiple (LCM) of 45158 and 45170 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45158 and 45170. First we will calculate the prime factors of 45158 and 45170.

Prime Factorization of 45158

Prime Factorization of 45170

Now multiplying the highest exponent prime factors to calculate the LCM of 45158 and 45170.

LCM(45158,45170) = 2¹ × 67¹ × 337¹ × 5¹ × 4517¹
LCM(45158,45170) = 1019893430