GCF and LCM Calculator Logo

What is the Least Common Multiple of 43431 and 43435?

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 43431 and 43435 is 1886425485.

LCM(43431,43435) = 1886425485

LCM Calculator and
and

Least Common Multiple of 43431 and 43435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43431 and 43435, than apply into the LCM equation.

GCF(43431,43435) = 1
LCM(43431,43435) = ( 43431 × 43435) / 1
LCM(43431,43435) = 1886425485 / 1
LCM(43431,43435) = 1886425485

Least Common Multiple (LCM) of 43431 and 43435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43431 and 43435. First we will calculate the prime factors of 43431 and 43435.

Prime Factorization of 43431

Prime factors of 43431 are 3, 31, 467. Prime factorization of 43431 in exponential form is:

43431 = 31 × 311 × 4671

Prime Factorization of 43435

Prime factors of 43435 are 5, 7, 17, 73. Prime factorization of 43435 in exponential form is:

43435 = 51 × 71 × 171 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 43431 and 43435.

LCM(43431,43435) = 31 × 311 × 4671 × 51 × 71 × 171 × 731
LCM(43431,43435) = 1886425485