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What is the Least Common Multiple of 15773 and 15781?

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 15773 and 15781 is 248913713.

LCM(15773,15781) = 248913713

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Least Common Multiple of 15773 and 15781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15773 and 15781, than apply into the LCM equation.

GCF(15773,15781) = 1
LCM(15773,15781) = ( 15773 × 15781) / 1
LCM(15773,15781) = 248913713 / 1
LCM(15773,15781) = 248913713

Least Common Multiple (LCM) of 15773 and 15781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15773 and 15781. First we will calculate the prime factors of 15773 and 15781.

Prime Factorization of 15773

Prime factors of 15773 are 15773. Prime factorization of 15773 in exponential form is:

15773 = 157731

Prime Factorization of 15781

Prime factors of 15781 are 43, 367. Prime factorization of 15781 in exponential form is:

15781 = 431 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 15773 and 15781.

LCM(15773,15781) = 157731 × 431 × 3671
LCM(15773,15781) = 248913713