GCF and LCM Calculator Logo

What is the Least Common Multiple of 71715 and 71723?

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 71715 and 71723 is 5143614945.

LCM(71715,71723) = 5143614945

LCM Calculator and
and

Least Common Multiple of 71715 and 71723 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71715 and 71723, than apply into the LCM equation.

GCF(71715,71723) = 1
LCM(71715,71723) = ( 71715 × 71723) / 1
LCM(71715,71723) = 5143614945 / 1
LCM(71715,71723) = 5143614945

Least Common Multiple (LCM) of 71715 and 71723 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71715 and 71723. First we will calculate the prime factors of 71715 and 71723.

Prime Factorization of 71715

Prime factors of 71715 are 3, 5, 7, 683. Prime factorization of 71715 in exponential form is:

71715 = 31 × 51 × 71 × 6831

Prime Factorization of 71723

Prime factors of 71723 are 17, 4219. Prime factorization of 71723 in exponential form is:

71723 = 171 × 42191

Now multiplying the highest exponent prime factors to calculate the LCM of 71715 and 71723.

LCM(71715,71723) = 31 × 51 × 71 × 6831 × 171 × 42191
LCM(71715,71723) = 5143614945