What is the Least Common Multiple of 84816 and 84834?

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 84816 and 84834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84816 and 84834, than apply into the LCM equation.

GCF(84816,84834) = 18
LCM(84816,84834) = ( 84816 × 84834) / 18
LCM(84816,84834) = 7195280544 / 18
LCM(84816,84834) = 399737808

Least Common Multiple (LCM) of 84816 and 84834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84816 and 84834. First we will calculate the prime factors of 84816 and 84834.

Prime Factorization of 84816

Prime Factorization of 84834

Now multiplying the highest exponent prime factors to calculate the LCM of 84816 and 84834.

LCM(84816,84834) = 2⁴ × 3³ × 19¹ × 31¹ × 1571¹
LCM(84816,84834) = 399737808