What is the Least Common Multiple of 64409 and 64423?

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 64409 and 64423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64409 and 64423, than apply into the LCM equation.

GCF(64409,64423) = 1
LCM(64409,64423) = ( 64409 × 64423) / 1
LCM(64409,64423) = 4149421007 / 1
LCM(64409,64423) = 4149421007

Least Common Multiple (LCM) of 64409 and 64423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64409 and 64423. First we will calculate the prime factors of 64409 and 64423.

Prime Factorization of 64409

Prime Factorization of 64423

Now multiplying the highest exponent prime factors to calculate the LCM of 64409 and 64423.

LCM(64409,64423) = 29¹ × 2221¹ × 23¹ × 2801¹
LCM(64409,64423) = 4149421007