What is the Least Common Multiple of 45878 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 45878 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 45878 and 45890, than apply into the LCM equation.

GCF(45878,45890) = 2
LCM(45878,45890) = ( 45878 × 45890) / 2
LCM(45878,45890) = 2105341420 / 2
LCM(45878,45890) = 1052670710

Least Common Multiple (LCM) of 45878 and 45890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45878 and 45890. First we will calculate the prime factors of 45878 and 45890.

Prime Factorization of 45878

Prime Factorization of 45890

Now multiplying the highest exponent prime factors to calculate the LCM of 45878 and 45890.

LCM(45878,45890) = 2¹ × 7¹ × 29¹ × 113¹ × 5¹ × 13¹ × 353¹
LCM(45878,45890) = 1052670710