What is the Least Common Multiple of 38890 and 38899?

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 38899 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 38899, than apply into the LCM equation.

GCF(38890,38899) = 1
LCM(38890,38899) = ( 38890 × 38899) / 1
LCM(38890,38899) = 1512782110 / 1
LCM(38890,38899) = 1512782110

Least Common Multiple (LCM) of 38890 and 38899 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38890 and 38899. First we will calculate the prime factors of 38890 and 38899.

Prime Factorization of 38890

Prime Factorization of 38899

Now multiplying the highest exponent prime factors to calculate the LCM of 38890 and 38899.

LCM(38890,38899) = 2¹ × 5¹ × 3889¹ × 7¹ × 5557¹
LCM(38890,38899) = 1512782110