What is the Least Common Multiple of 68830 and 68840?

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 68830 and 68840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68830 and 68840, than apply into the LCM equation.

GCF(68830,68840) = 10
LCM(68830,68840) = ( 68830 × 68840) / 10
LCM(68830,68840) = 4738257200 / 10
LCM(68830,68840) = 473825720

Least Common Multiple (LCM) of 68830 and 68840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68830 and 68840. First we will calculate the prime factors of 68830 and 68840.

Prime Factorization of 68830

Prime Factorization of 68840

Now multiplying the highest exponent prime factors to calculate the LCM of 68830 and 68840.

LCM(68830,68840) = 2³ × 5¹ × 6883¹ × 1721¹
LCM(68830,68840) = 473825720