GCF and LCM Calculator Logo

What is the Least Common Multiple of 40387 and 40403?

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 40387 and 40403 is 1631755961.

LCM(40387,40403) = 1631755961

LCM Calculator and
and

Least Common Multiple of 40387 and 40403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40387 and 40403, than apply into the LCM equation.

GCF(40387,40403) = 1
LCM(40387,40403) = ( 40387 × 40403) / 1
LCM(40387,40403) = 1631755961 / 1
LCM(40387,40403) = 1631755961

Least Common Multiple (LCM) of 40387 and 40403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40387 and 40403. First we will calculate the prime factors of 40387 and 40403.

Prime Factorization of 40387

Prime factors of 40387 are 40387. Prime factorization of 40387 in exponential form is:

40387 = 403871

Prime Factorization of 40403

Prime factors of 40403 are 11, 3673. Prime factorization of 40403 in exponential form is:

40403 = 111 × 36731

Now multiplying the highest exponent prime factors to calculate the LCM of 40387 and 40403.

LCM(40387,40403) = 403871 × 111 × 36731
LCM(40387,40403) = 1631755961