What is the Least Common Multiple of 15521 and 15532?

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 15521 and 15532 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15521 and 15532, than apply into the LCM equation.

GCF(15521,15532) = 11
LCM(15521,15532) = ( 15521 × 15532) / 11
LCM(15521,15532) = 241072172 / 11
LCM(15521,15532) = 21915652

Least Common Multiple (LCM) of 15521 and 15532 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15521 and 15532. First we will calculate the prime factors of 15521 and 15532.

Prime Factorization of 15521

Prime Factorization of 15532

Now multiplying the highest exponent prime factors to calculate the LCM of 15521 and 15532.

LCM(15521,15532) = 11¹ × 17¹ × 83¹ × 2² × 353¹
LCM(15521,15532) = 21915652