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What is the Least Common Multiple of 13142 and 13147?

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 13142 and 13147 is 172777874.

LCM(13142,13147) = 172777874

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Least Common Multiple of 13142 and 13147 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13142 and 13147, than apply into the LCM equation.

GCF(13142,13147) = 1
LCM(13142,13147) = ( 13142 × 13147) / 1
LCM(13142,13147) = 172777874 / 1
LCM(13142,13147) = 172777874

Least Common Multiple (LCM) of 13142 and 13147 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13142 and 13147. First we will calculate the prime factors of 13142 and 13147.

Prime Factorization of 13142

Prime factors of 13142 are 2, 6571. Prime factorization of 13142 in exponential form is:

13142 = 21 × 65711

Prime Factorization of 13147

Prime factors of 13147 are 13147. Prime factorization of 13147 in exponential form is:

13147 = 131471

Now multiplying the highest exponent prime factors to calculate the LCM of 13142 and 13147.

LCM(13142,13147) = 21 × 65711 × 131471
LCM(13142,13147) = 172777874