What is the Least Common Multiple of 45871 and 45890?

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 45871 and 45890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45871 and 45890, than apply into the LCM equation.

GCF(45871,45890) = 1
LCM(45871,45890) = ( 45871 × 45890) / 1
LCM(45871,45890) = 2105020190 / 1
LCM(45871,45890) = 2105020190

Least Common Multiple (LCM) of 45871 and 45890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45871 and 45890. First we will calculate the prime factors of 45871 and 45890.

Prime Factorization of 45871

Prime Factorization of 45890

Now multiplying the highest exponent prime factors to calculate the LCM of 45871 and 45890.

LCM(45871,45890) = 7¹ × 6553¹ × 2¹ × 5¹ × 13¹ × 353¹
LCM(45871,45890) = 2105020190