What is the Least Common Multiple of 7445 and 7449?

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 7445 and 7449 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7445 and 7449, than apply into the LCM equation.

GCF(7445,7449) = 1
LCM(7445,7449) = ( 7445 × 7449) / 1
LCM(7445,7449) = 55457805 / 1
LCM(7445,7449) = 55457805

Least Common Multiple (LCM) of 7445 and 7449 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7445 and 7449. First we will calculate the prime factors of 7445 and 7449.

Prime Factorization of 7445

Prime Factorization of 7449

Now multiplying the highest exponent prime factors to calculate the LCM of 7445 and 7449.

LCM(7445,7449) = 5¹ × 1489¹ × 3¹ × 13¹ × 191¹
LCM(7445,7449) = 55457805