What is the Least Common Multiple of 73831 and 73840?

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 73831 and 73840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73831 and 73840, than apply into the LCM equation.

GCF(73831,73840) = 1
LCM(73831,73840) = ( 73831 × 73840) / 1
LCM(73831,73840) = 5451681040 / 1
LCM(73831,73840) = 5451681040

Least Common Multiple (LCM) of 73831 and 73840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73831 and 73840. First we will calculate the prime factors of 73831 and 73840.

Prime Factorization of 73831

Prime Factorization of 73840

Now multiplying the highest exponent prime factors to calculate the LCM of 73831 and 73840.

LCM(73831,73840) = 17¹ × 43¹ × 101¹ × 2⁴ × 5¹ × 13¹ × 71¹
LCM(73831,73840) = 5451681040