GCF and LCM Calculator Logo

What is the Least Common Multiple of 75642 and 75657?

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 75642 and 75657 is 1907615598.

LCM(75642,75657) = 1907615598

LCM Calculator and
and

Least Common Multiple of 75642 and 75657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75642 and 75657, than apply into the LCM equation.

GCF(75642,75657) = 3
LCM(75642,75657) = ( 75642 × 75657) / 3
LCM(75642,75657) = 5722846794 / 3
LCM(75642,75657) = 1907615598

Least Common Multiple (LCM) of 75642 and 75657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75642 and 75657. First we will calculate the prime factors of 75642 and 75657.

Prime Factorization of 75642

Prime factors of 75642 are 2, 3, 7, 1801. Prime factorization of 75642 in exponential form is:

75642 = 21 × 31 × 71 × 18011

Prime Factorization of 75657

Prime factors of 75657 are 3, 25219. Prime factorization of 75657 in exponential form is:

75657 = 31 × 252191

Now multiplying the highest exponent prime factors to calculate the LCM of 75642 and 75657.

LCM(75642,75657) = 21 × 31 × 71 × 18011 × 252191
LCM(75642,75657) = 1907615598