GCF and LCM Calculator Logo

What is the Least Common Multiple of 38743 and 38761?

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 38743 and 38761 is 1501717423.

LCM(38743,38761) = 1501717423

LCM Calculator and
and

Least Common Multiple of 38743 and 38761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38743 and 38761, than apply into the LCM equation.

GCF(38743,38761) = 1
LCM(38743,38761) = ( 38743 × 38761) / 1
LCM(38743,38761) = 1501717423 / 1
LCM(38743,38761) = 1501717423

Least Common Multiple (LCM) of 38743 and 38761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38743 and 38761. First we will calculate the prime factors of 38743 and 38761.

Prime Factorization of 38743

Prime factors of 38743 are 17, 43, 53. Prime factorization of 38743 in exponential form is:

38743 = 171 × 431 × 531

Prime Factorization of 38761

Prime factors of 38761 are 83, 467. Prime factorization of 38761 in exponential form is:

38761 = 831 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 38743 and 38761.

LCM(38743,38761) = 171 × 431 × 531 × 831 × 4671
LCM(38743,38761) = 1501717423