GCF and LCM Calculator Logo

What is the Least Common Multiple of 17636 and 17640?

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 17636 and 17640 is 77774760.

LCM(17636,17640) = 77774760

LCM Calculator and
and

Least Common Multiple of 17636 and 17640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17636 and 17640, than apply into the LCM equation.

GCF(17636,17640) = 4
LCM(17636,17640) = ( 17636 × 17640) / 4
LCM(17636,17640) = 311099040 / 4
LCM(17636,17640) = 77774760

Least Common Multiple (LCM) of 17636 and 17640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17636 and 17640. First we will calculate the prime factors of 17636 and 17640.

Prime Factorization of 17636

Prime factors of 17636 are 2, 4409. Prime factorization of 17636 in exponential form is:

17636 = 22 × 44091

Prime Factorization of 17640

Prime factors of 17640 are 2, 3, 5, 7. Prime factorization of 17640 in exponential form is:

17640 = 23 × 32 × 51 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 17636 and 17640.

LCM(17636,17640) = 23 × 44091 × 32 × 51 × 72
LCM(17636,17640) = 77774760