What is the Least Common Multiple of 1507 and 1517?

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 1507 and 1517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1507 and 1517, than apply into the LCM equation.

GCF(1507,1517) = 1
LCM(1507,1517) = ( 1507 × 1517) / 1
LCM(1507,1517) = 2286119 / 1
LCM(1507,1517) = 2286119

Least Common Multiple (LCM) of 1507 and 1517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1507 and 1517. First we will calculate the prime factors of 1507 and 1517.

Prime Factorization of 1507

Prime Factorization of 1517

Now multiplying the highest exponent prime factors to calculate the LCM of 1507 and 1517.

LCM(1507,1517) = 11¹ × 137¹ × 37¹ × 41¹
LCM(1507,1517) = 2286119