What is the Least Common Multiple of 42453 and 42473?

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 42453 and 42473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42453 and 42473, than apply into the LCM equation.

GCF(42453,42473) = 1
LCM(42453,42473) = ( 42453 × 42473) / 1
LCM(42453,42473) = 1803106269 / 1
LCM(42453,42473) = 1803106269

Least Common Multiple (LCM) of 42453 and 42473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42453 and 42473. First we will calculate the prime factors of 42453 and 42473.

Prime Factorization of 42453

Prime Factorization of 42473

Now multiplying the highest exponent prime factors to calculate the LCM of 42453 and 42473.

LCM(42453,42473) = 3² × 53¹ × 89¹ × 42473¹
LCM(42453,42473) = 1803106269