GCF and LCM Calculator Logo

What is the Least Common Multiple of 15947 and 15965?

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 15947 and 15965 is 254593855.

LCM(15947,15965) = 254593855

LCM Calculator and
and

Least Common Multiple of 15947 and 15965 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15947 and 15965, than apply into the LCM equation.

GCF(15947,15965) = 1
LCM(15947,15965) = ( 15947 × 15965) / 1
LCM(15947,15965) = 254593855 / 1
LCM(15947,15965) = 254593855

Least Common Multiple (LCM) of 15947 and 15965 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15947 and 15965. First we will calculate the prime factors of 15947 and 15965.

Prime Factorization of 15947

Prime factors of 15947 are 37, 431. Prime factorization of 15947 in exponential form is:

15947 = 371 × 4311

Prime Factorization of 15965

Prime factors of 15965 are 5, 31, 103. Prime factorization of 15965 in exponential form is:

15965 = 51 × 311 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 15947 and 15965.

LCM(15947,15965) = 371 × 4311 × 51 × 311 × 1031
LCM(15947,15965) = 254593855