GCF and LCM Calculator Logo

What is the Least Common Multiple of 85621 and 85628?

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 85621 and 85628 is 7331554988.

LCM(85621,85628) = 7331554988

LCM Calculator and
and

Least Common Multiple of 85621 and 85628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85621 and 85628, than apply into the LCM equation.

GCF(85621,85628) = 1
LCM(85621,85628) = ( 85621 × 85628) / 1
LCM(85621,85628) = 7331554988 / 1
LCM(85621,85628) = 7331554988

Least Common Multiple (LCM) of 85621 and 85628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85621 and 85628. First we will calculate the prime factors of 85621 and 85628.

Prime Factorization of 85621

Prime factors of 85621 are 85621. Prime factorization of 85621 in exponential form is:

85621 = 856211

Prime Factorization of 85628

Prime factors of 85628 are 2, 21407. Prime factorization of 85628 in exponential form is:

85628 = 22 × 214071

Now multiplying the highest exponent prime factors to calculate the LCM of 85621 and 85628.

LCM(85621,85628) = 856211 × 22 × 214071
LCM(85621,85628) = 7331554988