What is the Least Common Multiple of 67410 and 67422?

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 67410 and 67422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67410 and 67422, than apply into the LCM equation.

GCF(67410,67422) = 6
LCM(67410,67422) = ( 67410 × 67422) / 6
LCM(67410,67422) = 4544917020 / 6
LCM(67410,67422) = 757486170

Least Common Multiple (LCM) of 67410 and 67422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67410 and 67422. First we will calculate the prime factors of 67410 and 67422.

Prime Factorization of 67410

Prime Factorization of 67422

Now multiplying the highest exponent prime factors to calculate the LCM of 67410 and 67422.

LCM(67410,67422) = 2¹ × 3² × 5¹ × 7¹ × 107¹ × 17¹ × 661¹
LCM(67410,67422) = 757486170