GCF and LCM Calculator Logo

What is the Least Common Multiple of 71517 and 71521?

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 71517 and 71521 is 5114967357.

LCM(71517,71521) = 5114967357

LCM Calculator and
and

Least Common Multiple of 71517 and 71521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71517 and 71521, than apply into the LCM equation.

GCF(71517,71521) = 1
LCM(71517,71521) = ( 71517 × 71521) / 1
LCM(71517,71521) = 5114967357 / 1
LCM(71517,71521) = 5114967357

Least Common Multiple (LCM) of 71517 and 71521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71517 and 71521. First we will calculate the prime factors of 71517 and 71521.

Prime Factorization of 71517

Prime factors of 71517 are 3, 31, 769. Prime factorization of 71517 in exponential form is:

71517 = 31 × 311 × 7691

Prime Factorization of 71521

Prime factors of 71521 are 37, 1933. Prime factorization of 71521 in exponential form is:

71521 = 371 × 19331

Now multiplying the highest exponent prime factors to calculate the LCM of 71517 and 71521.

LCM(71517,71521) = 31 × 311 × 7691 × 371 × 19331
LCM(71517,71521) = 5114967357