What is the Least Common Multiple of 4457 and 4465?

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 4457 and 4465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4457 and 4465, than apply into the LCM equation.

GCF(4457,4465) = 1
LCM(4457,4465) = ( 4457 × 4465) / 1
LCM(4457,4465) = 19900505 / 1
LCM(4457,4465) = 19900505

Least Common Multiple (LCM) of 4457 and 4465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4457 and 4465. First we will calculate the prime factors of 4457 and 4465.

Prime Factorization of 4457

Prime Factorization of 4465

Now multiplying the highest exponent prime factors to calculate the LCM of 4457 and 4465.

LCM(4457,4465) = 4457¹ × 5¹ × 19¹ × 47¹
LCM(4457,4465) = 19900505