What is the Least Common Multiple of 68490 and 68504?

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 68490 and 68504 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68490 and 68504, than apply into the LCM equation.

GCF(68490,68504) = 2
LCM(68490,68504) = ( 68490 × 68504) / 2
LCM(68490,68504) = 4691838960 / 2
LCM(68490,68504) = 2345919480

Least Common Multiple (LCM) of 68490 and 68504 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68490 and 68504. First we will calculate the prime factors of 68490 and 68504.

Prime Factorization of 68490

Prime Factorization of 68504

Now multiplying the highest exponent prime factors to calculate the LCM of 68490 and 68504.

LCM(68490,68504) = 2³ × 3² × 5¹ × 761¹ × 8563¹
LCM(68490,68504) = 2345919480