What is the Least Common Multiple of 45615 and 45620?

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 45615 and 45620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45615 and 45620, than apply into the LCM equation.

GCF(45615,45620) = 5
LCM(45615,45620) = ( 45615 × 45620) / 5
LCM(45615,45620) = 2080956300 / 5
LCM(45615,45620) = 416191260

Least Common Multiple (LCM) of 45615 and 45620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45615 and 45620. First we will calculate the prime factors of 45615 and 45620.

Prime Factorization of 45615

Prime Factorization of 45620

Now multiplying the highest exponent prime factors to calculate the LCM of 45615 and 45620.

LCM(45615,45620) = 3¹ × 5¹ × 3041¹ × 2² × 2281¹
LCM(45615,45620) = 416191260