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What is the Least Common Multiple of 131 and 147?

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 131 and 147 is 19257.

LCM(131,147) = 19257

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Least Common Multiple of 131 and 147 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 131 and 147, than apply into the LCM equation.

GCF(131,147) = 1
LCM(131,147) = ( 131 × 147) / 1
LCM(131,147) = 19257 / 1
LCM(131,147) = 19257

Least Common Multiple (LCM) of 131 and 147 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 131 and 147. First we will calculate the prime factors of 131 and 147.

Prime Factorization of 131

Prime factors of 131 are 131. Prime factorization of 131 in exponential form is:

131 = 1311

Prime Factorization of 147

Prime factors of 147 are 3, 7. Prime factorization of 147 in exponential form is:

147 = 31 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 131 and 147.

LCM(131,147) = 1311 × 31 × 72
LCM(131,147) = 19257