GCF and LCM Calculator Logo

What is the Least Common Multiple of 85305 and 85312?

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 85305 and 85312 is 7277540160.

LCM(85305,85312) = 7277540160

LCM Calculator and
and

Least Common Multiple of 85305 and 85312 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85305 and 85312, than apply into the LCM equation.

GCF(85305,85312) = 1
LCM(85305,85312) = ( 85305 × 85312) / 1
LCM(85305,85312) = 7277540160 / 1
LCM(85305,85312) = 7277540160

Least Common Multiple (LCM) of 85305 and 85312 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85305 and 85312. First we will calculate the prime factors of 85305 and 85312.

Prime Factorization of 85305

Prime factors of 85305 are 3, 5, 11, 47. Prime factorization of 85305 in exponential form is:

85305 = 31 × 51 × 112 × 471

Prime Factorization of 85312

Prime factors of 85312 are 2, 31, 43. Prime factorization of 85312 in exponential form is:

85312 = 26 × 311 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 85305 and 85312.

LCM(85305,85312) = 31 × 51 × 112 × 471 × 26 × 311 × 431
LCM(85305,85312) = 7277540160