GCF and LCM Calculator Logo

What is the Least Common Multiple of 43689 and 43693?

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 43689 and 43693 is 1908903477.

LCM(43689,43693) = 1908903477

LCM Calculator and
and

Least Common Multiple of 43689 and 43693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43689 and 43693, than apply into the LCM equation.

GCF(43689,43693) = 1
LCM(43689,43693) = ( 43689 × 43693) / 1
LCM(43689,43693) = 1908903477 / 1
LCM(43689,43693) = 1908903477

Least Common Multiple (LCM) of 43689 and 43693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43689 and 43693. First we will calculate the prime factors of 43689 and 43693.

Prime Factorization of 43689

Prime factors of 43689 are 3, 14563. Prime factorization of 43689 in exponential form is:

43689 = 31 × 145631

Prime Factorization of 43693

Prime factors of 43693 are 13, 3361. Prime factorization of 43693 in exponential form is:

43693 = 131 × 33611

Now multiplying the highest exponent prime factors to calculate the LCM of 43689 and 43693.

LCM(43689,43693) = 31 × 145631 × 131 × 33611
LCM(43689,43693) = 1908903477