What is the Least Common Multiple of 4455 and 4475?

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 4455 and 4475 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4455 and 4475, than apply into the LCM equation.

GCF(4455,4475) = 5
LCM(4455,4475) = ( 4455 × 4475) / 5
LCM(4455,4475) = 19936125 / 5
LCM(4455,4475) = 3987225

Least Common Multiple (LCM) of 4455 and 4475 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4455 and 4475. First we will calculate the prime factors of 4455 and 4475.

Prime Factorization of 4455

Prime Factorization of 4475

Now multiplying the highest exponent prime factors to calculate the LCM of 4455 and 4475.

LCM(4455,4475) = 3⁴ × 5² × 11¹ × 179¹
LCM(4455,4475) = 3987225