GCF and LCM Calculator Logo

What is the Least Common Multiple of 42773 and 42785?

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 42773 and 42785 is 1830042805.

LCM(42773,42785) = 1830042805

LCM Calculator and
and

Least Common Multiple of 42773 and 42785 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42773 and 42785, than apply into the LCM equation.

GCF(42773,42785) = 1
LCM(42773,42785) = ( 42773 × 42785) / 1
LCM(42773,42785) = 1830042805 / 1
LCM(42773,42785) = 1830042805

Least Common Multiple (LCM) of 42773 and 42785 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42773 and 42785. First we will calculate the prime factors of 42773 and 42785.

Prime Factorization of 42773

Prime factors of 42773 are 42773. Prime factorization of 42773 in exponential form is:

42773 = 427731

Prime Factorization of 42785

Prime factors of 42785 are 5, 43, 199. Prime factorization of 42785 in exponential form is:

42785 = 51 × 431 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 42773 and 42785.

LCM(42773,42785) = 427731 × 51 × 431 × 1991
LCM(42773,42785) = 1830042805