GCF and LCM Calculator Logo

What is the Least Common Multiple of 15652 and 15665?

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 (LCM) of 15652 and 15665 is 18860660.

LCM(15652,15665) = 18860660

LCM Calculator and
and

Least Common Multiple of 15652 and 15665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15652 and 15665, than apply into the LCM equation.

GCF(15652,15665) = 13
LCM(15652,15665) = ( 15652 × 15665) / 13
LCM(15652,15665) = 245188580 / 13
LCM(15652,15665) = 18860660

Least Common Multiple (LCM) of 15652 and 15665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15652 and 15665. First we will calculate the prime factors of 15652 and 15665.

Prime Factorization of 15652

Prime factors of 15652 are 2, 7, 13, 43. Prime factorization of 15652 in exponential form is:

15652 = 22 × 71 × 131 × 431

Prime Factorization of 15665

Prime factors of 15665 are 5, 13, 241. Prime factorization of 15665 in exponential form is:

15665 = 51 × 131 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 15652 and 15665.

LCM(15652,15665) = 22 × 71 × 131 × 431 × 51 × 2411
LCM(15652,15665) = 18860660