What is the Least Common Multiple of 15510 and 15515?

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 15510 and 15515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15510 and 15515, than apply into the LCM equation.

GCF(15510,15515) = 5
LCM(15510,15515) = ( 15510 × 15515) / 5
LCM(15510,15515) = 240637650 / 5
LCM(15510,15515) = 48127530

Least Common Multiple (LCM) of 15510 and 15515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15510 and 15515. First we will calculate the prime factors of 15510 and 15515.

Prime Factorization of 15510

Prime Factorization of 15515

Now multiplying the highest exponent prime factors to calculate the LCM of 15510 and 15515.

LCM(15510,15515) = 2¹ × 3¹ × 5¹ × 11¹ × 47¹ × 29¹ × 107¹
LCM(15510,15515) = 48127530