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What is the Least Common Multiple of 1310 and 1317?

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 1310 and 1317 is 1725270.

LCM(1310,1317) = 1725270

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Least Common Multiple of 1310 and 1317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1310 and 1317, than apply into the LCM equation.

GCF(1310,1317) = 1
LCM(1310,1317) = ( 1310 × 1317) / 1
LCM(1310,1317) = 1725270 / 1
LCM(1310,1317) = 1725270

Least Common Multiple (LCM) of 1310 and 1317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1310 and 1317. First we will calculate the prime factors of 1310 and 1317.

Prime Factorization of 1310

Prime factors of 1310 are 2, 5, 131. Prime factorization of 1310 in exponential form is:

1310 = 21 × 51 × 1311

Prime Factorization of 1317

Prime factors of 1317 are 3, 439. Prime factorization of 1317 in exponential form is:

1317 = 31 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 1310 and 1317.

LCM(1310,1317) = 21 × 51 × 1311 × 31 × 4391
LCM(1310,1317) = 1725270