What is the Least Common Multiple of 42454 and 42459?

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 42454 and 42459 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42454 and 42459, than apply into the LCM equation.

GCF(42454,42459) = 1
LCM(42454,42459) = ( 42454 × 42459) / 1
LCM(42454,42459) = 1802554386 / 1
LCM(42454,42459) = 1802554386

Least Common Multiple (LCM) of 42454 and 42459 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42454 and 42459. First we will calculate the prime factors of 42454 and 42459.

Prime Factorization of 42454

Prime Factorization of 42459

Now multiplying the highest exponent prime factors to calculate the LCM of 42454 and 42459.

LCM(42454,42459) = 2¹ × 21227¹ × 3¹ × 14153¹
LCM(42454,42459) = 1802554386