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What is the Least Common Multiple of 40775 and 40781?

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 40775 and 40781 is 1662845275.

LCM(40775,40781) = 1662845275

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Least Common Multiple of 40775 and 40781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40775 and 40781, than apply into the LCM equation.

GCF(40775,40781) = 1
LCM(40775,40781) = ( 40775 × 40781) / 1
LCM(40775,40781) = 1662845275 / 1
LCM(40775,40781) = 1662845275

Least Common Multiple (LCM) of 40775 and 40781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40775 and 40781. First we will calculate the prime factors of 40775 and 40781.

Prime Factorization of 40775

Prime factors of 40775 are 5, 7, 233. Prime factorization of 40775 in exponential form is:

40775 = 52 × 71 × 2331

Prime Factorization of 40781

Prime factors of 40781 are 13, 3137. Prime factorization of 40781 in exponential form is:

40781 = 131 × 31371

Now multiplying the highest exponent prime factors to calculate the LCM of 40775 and 40781.

LCM(40775,40781) = 52 × 71 × 2331 × 131 × 31371
LCM(40775,40781) = 1662845275