GCF and LCM Calculator Logo

What is the Least Common Multiple of 67461 and 67470?

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 (LCM) of 67461 and 67470 is 1517197890.

LCM(67461,67470) = 1517197890

LCM Calculator and
and

Least Common Multiple of 67461 and 67470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67461 and 67470, than apply into the LCM equation.

GCF(67461,67470) = 3
LCM(67461,67470) = ( 67461 × 67470) / 3
LCM(67461,67470) = 4551593670 / 3
LCM(67461,67470) = 1517197890

Least Common Multiple (LCM) of 67461 and 67470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67461 and 67470. First we will calculate the prime factors of 67461 and 67470.

Prime Factorization of 67461

Prime factors of 67461 are 3, 113, 199. Prime factorization of 67461 in exponential form is:

67461 = 31 × 1131 × 1991

Prime Factorization of 67470

Prime factors of 67470 are 2, 3, 5, 13, 173. Prime factorization of 67470 in exponential form is:

67470 = 21 × 31 × 51 × 131 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 67461 and 67470.

LCM(67461,67470) = 31 × 1131 × 1991 × 21 × 51 × 131 × 1731
LCM(67461,67470) = 1517197890