What is the Least Common Multiple of 15515 and 15533?

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 15515 and 15533 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15515 and 15533, than apply into the LCM equation.

GCF(15515,15533) = 1
LCM(15515,15533) = ( 15515 × 15533) / 1
LCM(15515,15533) = 240994495 / 1
LCM(15515,15533) = 240994495

Least Common Multiple (LCM) of 15515 and 15533 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15515 and 15533. First we will calculate the prime factors of 15515 and 15533.

Prime Factorization of 15515

Prime Factorization of 15533

Now multiplying the highest exponent prime factors to calculate the LCM of 15515 and 15533.

LCM(15515,15533) = 5¹ × 29¹ × 107¹ × 7² × 317¹
LCM(15515,15533) = 240994495