GCF and LCM Calculator Logo

What is the Least Common Multiple of 42541 and 42546?

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 42541 and 42546 is 1809949386.

LCM(42541,42546) = 1809949386

LCM Calculator and
and

Least Common Multiple of 42541 and 42546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42541 and 42546, than apply into the LCM equation.

GCF(42541,42546) = 1
LCM(42541,42546) = ( 42541 × 42546) / 1
LCM(42541,42546) = 1809949386 / 1
LCM(42541,42546) = 1809949386

Least Common Multiple (LCM) of 42541 and 42546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42541 and 42546. First we will calculate the prime factors of 42541 and 42546.

Prime Factorization of 42541

Prime factors of 42541 are 19, 2239. Prime factorization of 42541 in exponential form is:

42541 = 191 × 22391

Prime Factorization of 42546

Prime factors of 42546 are 2, 3, 7, 1013. Prime factorization of 42546 in exponential form is:

42546 = 21 × 31 × 71 × 10131

Now multiplying the highest exponent prime factors to calculate the LCM of 42541 and 42546.

LCM(42541,42546) = 191 × 22391 × 21 × 31 × 71 × 10131
LCM(42541,42546) = 1809949386