What is the Least Common Multiple of 74490 and 74505?

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 74490 and 74505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74490 and 74505, than apply into the LCM equation.

GCF(74490,74505) = 15
LCM(74490,74505) = ( 74490 × 74505) / 15
LCM(74490,74505) = 5549877450 / 15
LCM(74490,74505) = 369991830

Least Common Multiple (LCM) of 74490 and 74505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74490 and 74505. First we will calculate the prime factors of 74490 and 74505.

Prime Factorization of 74490

Prime Factorization of 74505

Now multiplying the highest exponent prime factors to calculate the LCM of 74490 and 74505.

LCM(74490,74505) = 2¹ × 3¹ × 5¹ × 13¹ × 191¹ × 4967¹
LCM(74490,74505) = 369991830