GCF and LCM Calculator Logo

What is the Least Common Multiple of 81255 and 81263?

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 81255 and 81263 is 6603025065.

LCM(81255,81263) = 6603025065

LCM Calculator and
and

Least Common Multiple of 81255 and 81263 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81255 and 81263, than apply into the LCM equation.

GCF(81255,81263) = 1
LCM(81255,81263) = ( 81255 × 81263) / 1
LCM(81255,81263) = 6603025065 / 1
LCM(81255,81263) = 6603025065

Least Common Multiple (LCM) of 81255 and 81263 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81255 and 81263. First we will calculate the prime factors of 81255 and 81263.

Prime Factorization of 81255

Prime factors of 81255 are 3, 5, 5417. Prime factorization of 81255 in exponential form is:

81255 = 31 × 51 × 54171

Prime Factorization of 81263

Prime factors of 81263 are 7, 13, 19, 47. Prime factorization of 81263 in exponential form is:

81263 = 71 × 131 × 191 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 81255 and 81263.

LCM(81255,81263) = 31 × 51 × 54171 × 71 × 131 × 191 × 471
LCM(81255,81263) = 6603025065