GCF and LCM Calculator Logo

What is the Least Common Multiple of 39965 and 39971?

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 39965 and 39971 is 1597441015.

LCM(39965,39971) = 1597441015

LCM Calculator and
and

Least Common Multiple of 39965 and 39971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39965 and 39971, than apply into the LCM equation.

GCF(39965,39971) = 1
LCM(39965,39971) = ( 39965 × 39971) / 1
LCM(39965,39971) = 1597441015 / 1
LCM(39965,39971) = 1597441015

Least Common Multiple (LCM) of 39965 and 39971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39965 and 39971. First we will calculate the prime factors of 39965 and 39971.

Prime Factorization of 39965

Prime factors of 39965 are 5, 7993. Prime factorization of 39965 in exponential form is:

39965 = 51 × 79931

Prime Factorization of 39971

Prime factors of 39971 are 39971. Prime factorization of 39971 in exponential form is:

39971 = 399711

Now multiplying the highest exponent prime factors to calculate the LCM of 39965 and 39971.

LCM(39965,39971) = 51 × 79931 × 399711
LCM(39965,39971) = 1597441015