GCF and LCM Calculator Logo

What is the Least Common Multiple of 85481 and 85491?

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 85481 and 85491 is 7307856171.

LCM(85481,85491) = 7307856171

LCM Calculator and
and

Least Common Multiple of 85481 and 85491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85481 and 85491, than apply into the LCM equation.

GCF(85481,85491) = 1
LCM(85481,85491) = ( 85481 × 85491) / 1
LCM(85481,85491) = 7307856171 / 1
LCM(85481,85491) = 7307856171

Least Common Multiple (LCM) of 85481 and 85491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85481 and 85491. First we will calculate the prime factors of 85481 and 85491.

Prime Factorization of 85481

Prime factors of 85481 are 11, 19, 409. Prime factorization of 85481 in exponential form is:

85481 = 111 × 191 × 4091

Prime Factorization of 85491

Prime factors of 85491 are 3, 7, 23, 59. Prime factorization of 85491 in exponential form is:

85491 = 32 × 71 × 231 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 85481 and 85491.

LCM(85481,85491) = 111 × 191 × 4091 × 32 × 71 × 231 × 591
LCM(85481,85491) = 7307856171