GCF and LCM Calculator Logo

What is the Least Common Multiple of 69729 and 69738?

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 69729 and 69738 is 1620920334.

LCM(69729,69738) = 1620920334

LCM Calculator and
and

Least Common Multiple of 69729 and 69738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69729 and 69738, than apply into the LCM equation.

GCF(69729,69738) = 3
LCM(69729,69738) = ( 69729 × 69738) / 3
LCM(69729,69738) = 4862761002 / 3
LCM(69729,69738) = 1620920334

Least Common Multiple (LCM) of 69729 and 69738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69729 and 69738. First we will calculate the prime factors of 69729 and 69738.

Prime Factorization of 69729

Prime factors of 69729 are 3, 11, 2113. Prime factorization of 69729 in exponential form is:

69729 = 31 × 111 × 21131

Prime Factorization of 69738

Prime factors of 69738 are 2, 3, 59, 197. Prime factorization of 69738 in exponential form is:

69738 = 21 × 31 × 591 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 69729 and 69738.

LCM(69729,69738) = 31 × 111 × 21131 × 21 × 591 × 1971
LCM(69729,69738) = 1620920334