GCF and LCM Calculator Logo

What is the Least Common Multiple of 42354 and 42361?

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 42354 and 42361 is 1794157794.

LCM(42354,42361) = 1794157794

LCM Calculator and
and

Least Common Multiple of 42354 and 42361 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42354 and 42361, than apply into the LCM equation.

GCF(42354,42361) = 1
LCM(42354,42361) = ( 42354 × 42361) / 1
LCM(42354,42361) = 1794157794 / 1
LCM(42354,42361) = 1794157794

Least Common Multiple (LCM) of 42354 and 42361 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42354 and 42361. First we will calculate the prime factors of 42354 and 42361.

Prime Factorization of 42354

Prime factors of 42354 are 2, 3, 13, 181. Prime factorization of 42354 in exponential form is:

42354 = 21 × 32 × 131 × 1811

Prime Factorization of 42361

Prime factors of 42361 are 11, 3851. Prime factorization of 42361 in exponential form is:

42361 = 111 × 38511

Now multiplying the highest exponent prime factors to calculate the LCM of 42354 and 42361.

LCM(42354,42361) = 21 × 32 × 131 × 1811 × 111 × 38511
LCM(42354,42361) = 1794157794