GCF and LCM Calculator Logo

What is the Least Common Multiple of 70721 and 70738?

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 70721 and 70738 is 5002662098.

LCM(70721,70738) = 5002662098

LCM Calculator and
and

Least Common Multiple of 70721 and 70738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70721 and 70738, than apply into the LCM equation.

GCF(70721,70738) = 1
LCM(70721,70738) = ( 70721 × 70738) / 1
LCM(70721,70738) = 5002662098 / 1
LCM(70721,70738) = 5002662098

Least Common Multiple (LCM) of 70721 and 70738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70721 and 70738. First we will calculate the prime factors of 70721 and 70738.

Prime Factorization of 70721

Prime factors of 70721 are 7, 10103. Prime factorization of 70721 in exponential form is:

70721 = 71 × 101031

Prime Factorization of 70738

Prime factors of 70738 are 2, 113, 313. Prime factorization of 70738 in exponential form is:

70738 = 21 × 1131 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 70721 and 70738.

LCM(70721,70738) = 71 × 101031 × 21 × 1131 × 3131
LCM(70721,70738) = 5002662098