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What is the Least Common Multiple of 38761 and 38781?

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 38761 and 38781 is 1503190341.

LCM(38761,38781) = 1503190341

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Least Common Multiple of 38761 and 38781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38761 and 38781, than apply into the LCM equation.

GCF(38761,38781) = 1
LCM(38761,38781) = ( 38761 × 38781) / 1
LCM(38761,38781) = 1503190341 / 1
LCM(38761,38781) = 1503190341

Least Common Multiple (LCM) of 38761 and 38781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38761 and 38781. First we will calculate the prime factors of 38761 and 38781.

Prime Factorization of 38761

Prime factors of 38761 are 83, 467. Prime factorization of 38761 in exponential form is:

38761 = 831 × 4671

Prime Factorization of 38781

Prime factors of 38781 are 3, 31, 139. Prime factorization of 38781 in exponential form is:

38781 = 32 × 311 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 38761 and 38781.

LCM(38761,38781) = 831 × 4671 × 32 × 311 × 1391
LCM(38761,38781) = 1503190341