What is the Least Common Multiple of 68490 and 68506?

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 68506 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 68506, than apply into the LCM equation.

GCF(68490,68506) = 2
LCM(68490,68506) = ( 68490 × 68506) / 2
LCM(68490,68506) = 4691975940 / 2
LCM(68490,68506) = 2345987970

Least Common Multiple (LCM) of 68490 and 68506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68490 and 68506. First we will calculate the prime factors of 68490 and 68506.

Prime Factorization of 68490

Prime Factorization of 68506

Now multiplying the highest exponent prime factors to calculate the LCM of 68490 and 68506.

LCM(68490,68506) = 2¹ × 3² × 5¹ × 761¹ × 34253¹
LCM(68490,68506) = 2345987970