What is the Least Common Multiple of 71381 and 71389?

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 of 71381 and 71389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71381 and 71389, than apply into the LCM equation.

GCF(71381,71389) = 1
LCM(71381,71389) = ( 71381 × 71389) / 1
LCM(71381,71389) = 5095818209 / 1
LCM(71381,71389) = 5095818209

Least Common Multiple (LCM) of 71381 and 71389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71381 and 71389. First we will calculate the prime factors of 71381 and 71389.

Prime Factorization of 71381

Prime Factorization of 71389

Now multiplying the highest exponent prime factors to calculate the LCM of 71381 and 71389.

LCM(71381,71389) = 41¹ × 1741¹ × 71389¹
LCM(71381,71389) = 5095818209