What is the Least Common Multiple of 87815 and 87828?

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 87815 and 87828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87815 and 87828, than apply into the LCM equation.

GCF(87815,87828) = 13
LCM(87815,87828) = ( 87815 × 87828) / 13
LCM(87815,87828) = 7712615820 / 13
LCM(87815,87828) = 593278140

Least Common Multiple (LCM) of 87815 and 87828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87815 and 87828. First we will calculate the prime factors of 87815 and 87828.

Prime Factorization of 87815

Prime Factorization of 87828

Now multiplying the highest exponent prime factors to calculate the LCM of 87815 and 87828.

LCM(87815,87828) = 5¹ × 7¹ × 13¹ × 193¹ × 2² × 3¹ × 563¹
LCM(87815,87828) = 593278140