GCF and LCM Calculator Logo

What is the Least Common Multiple of 38955 and 38961?

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 38955 and 38961 is 505908585.

LCM(38955,38961) = 505908585

LCM Calculator and
and

Least Common Multiple of 38955 and 38961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38955 and 38961, than apply into the LCM equation.

GCF(38955,38961) = 3
LCM(38955,38961) = ( 38955 × 38961) / 3
LCM(38955,38961) = 1517725755 / 3
LCM(38955,38961) = 505908585

Least Common Multiple (LCM) of 38955 and 38961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38955 and 38961. First we will calculate the prime factors of 38955 and 38961.

Prime Factorization of 38955

Prime factors of 38955 are 3, 5, 7, 53. Prime factorization of 38955 in exponential form is:

38955 = 31 × 51 × 72 × 531

Prime Factorization of 38961

Prime factors of 38961 are 3, 13, 37. Prime factorization of 38961 in exponential form is:

38961 = 34 × 131 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 38955 and 38961.

LCM(38955,38961) = 34 × 51 × 72 × 531 × 131 × 371
LCM(38955,38961) = 505908585