What is the Least Common Multiple of 38890 and 38904?

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 38890 and 38904 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38890 and 38904, than apply into the LCM equation.

GCF(38890,38904) = 2
LCM(38890,38904) = ( 38890 × 38904) / 2
LCM(38890,38904) = 1512976560 / 2
LCM(38890,38904) = 756488280

Least Common Multiple (LCM) of 38890 and 38904 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38890 and 38904. First we will calculate the prime factors of 38890 and 38904.

Prime Factorization of 38890

Prime Factorization of 38904

Now multiplying the highest exponent prime factors to calculate the LCM of 38890 and 38904.

LCM(38890,38904) = 2³ × 5¹ × 3889¹ × 3¹ × 1621¹
LCM(38890,38904) = 756488280