What is the Least Common Multiple of 86854 and 86860?

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 86854 and 86860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86854 and 86860, than apply into the LCM equation.

GCF(86854,86860) = 2
LCM(86854,86860) = ( 86854 × 86860) / 2
LCM(86854,86860) = 7544138440 / 2
LCM(86854,86860) = 3772069220

Least Common Multiple (LCM) of 86854 and 86860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86854 and 86860. First we will calculate the prime factors of 86854 and 86860.

Prime Factorization of 86854

Prime Factorization of 86860

Now multiplying the highest exponent prime factors to calculate the LCM of 86854 and 86860.

LCM(86854,86860) = 2² × 43427¹ × 5¹ × 43¹ × 101¹
LCM(86854,86860) = 3772069220