GCF and LCM Calculator Logo

What is the Least Common Multiple of 66538 and 66555?

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 66538 and 66555 is 260496270.

LCM(66538,66555) = 260496270

LCM Calculator and
and

Least Common Multiple of 66538 and 66555 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66538 and 66555, than apply into the LCM equation.

GCF(66538,66555) = 17
LCM(66538,66555) = ( 66538 × 66555) / 17
LCM(66538,66555) = 4428436590 / 17
LCM(66538,66555) = 260496270

Least Common Multiple (LCM) of 66538 and 66555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66538 and 66555. First we will calculate the prime factors of 66538 and 66555.

Prime Factorization of 66538

Prime factors of 66538 are 2, 17, 19, 103. Prime factorization of 66538 in exponential form is:

66538 = 21 × 171 × 191 × 1031

Prime Factorization of 66555

Prime factors of 66555 are 3, 5, 17, 29. Prime factorization of 66555 in exponential form is:

66555 = 33 × 51 × 171 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 66538 and 66555.

LCM(66538,66555) = 21 × 171 × 191 × 1031 × 33 × 51 × 291
LCM(66538,66555) = 260496270