What is the Least Common Multiple of 45391 and 45409?

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 45391 and 45409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45391 and 45409, than apply into the LCM equation.

GCF(45391,45409) = 1
LCM(45391,45409) = ( 45391 × 45409) / 1
LCM(45391,45409) = 2061159919 / 1
LCM(45391,45409) = 2061159919

Least Common Multiple (LCM) of 45391 and 45409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45391 and 45409. First we will calculate the prime factors of 45391 and 45409.

Prime Factorization of 45391

Prime Factorization of 45409

Now multiplying the highest exponent prime factors to calculate the LCM of 45391 and 45409.

LCM(45391,45409) = 19¹ × 2389¹ × 7¹ × 13¹ × 499¹
LCM(45391,45409) = 2061159919