What is the Least Common Multiple of 38890 and 38896?

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 38896 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 38896, than apply into the LCM equation.

GCF(38890,38896) = 2
LCM(38890,38896) = ( 38890 × 38896) / 2
LCM(38890,38896) = 1512665440 / 2
LCM(38890,38896) = 756332720

Least Common Multiple (LCM) of 38890 and 38896 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38890 and 38896. First we will calculate the prime factors of 38890 and 38896.

Prime Factorization of 38890

Prime Factorization of 38896

Now multiplying the highest exponent prime factors to calculate the LCM of 38890 and 38896.

LCM(38890,38896) = 2⁴ × 5¹ × 3889¹ × 11¹ × 13¹ × 17¹
LCM(38890,38896) = 756332720