What is the Least Common Multiple of 45643 and 45656?

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 45643 and 45656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45643 and 45656, than apply into the LCM equation.

GCF(45643,45656) = 13
LCM(45643,45656) = ( 45643 × 45656) / 13
LCM(45643,45656) = 2083876808 / 13
LCM(45643,45656) = 160298216

Least Common Multiple (LCM) of 45643 and 45656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45643 and 45656. First we will calculate the prime factors of 45643 and 45656.

Prime Factorization of 45643

Prime Factorization of 45656

Now multiplying the highest exponent prime factors to calculate the LCM of 45643 and 45656.

LCM(45643,45656) = 13¹ × 3511¹ × 2³ × 439¹
LCM(45643,45656) = 160298216