What is the Least Common Multiple of 74890 and 74910?

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 74890 and 74910 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74890 and 74910, than apply into the LCM equation.

GCF(74890,74910) = 10
LCM(74890,74910) = ( 74890 × 74910) / 10
LCM(74890,74910) = 5610009900 / 10
LCM(74890,74910) = 561000990

Least Common Multiple (LCM) of 74890 and 74910 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74890 and 74910. First we will calculate the prime factors of 74890 and 74910.

Prime Factorization of 74890

Prime Factorization of 74910

Now multiplying the highest exponent prime factors to calculate the LCM of 74890 and 74910.

LCM(74890,74910) = 2¹ × 5¹ × 7489¹ × 3¹ × 11¹ × 227¹
LCM(74890,74910) = 561000990