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What is the Least Common Multiple of 13411 and 13420?

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 13411 and 13420 is 179975620.

LCM(13411,13420) = 179975620

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Least Common Multiple of 13411 and 13420 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13411 and 13420, than apply into the LCM equation.

GCF(13411,13420) = 1
LCM(13411,13420) = ( 13411 × 13420) / 1
LCM(13411,13420) = 179975620 / 1
LCM(13411,13420) = 179975620

Least Common Multiple (LCM) of 13411 and 13420 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13411 and 13420. First we will calculate the prime factors of 13411 and 13420.

Prime Factorization of 13411

Prime factors of 13411 are 13411. Prime factorization of 13411 in exponential form is:

13411 = 134111

Prime Factorization of 13420

Prime factors of 13420 are 2, 5, 11, 61. Prime factorization of 13420 in exponential form is:

13420 = 22 × 51 × 111 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 13411 and 13420.

LCM(13411,13420) = 134111 × 22 × 51 × 111 × 611
LCM(13411,13420) = 179975620