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What is the Least Common Multiple of 38761 and 38780?

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 38780 is 1503151580.

LCM(38761,38780) = 1503151580

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Least Common Multiple of 38761 and 38780 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 38780, than apply into the LCM equation.

GCF(38761,38780) = 1
LCM(38761,38780) = ( 38761 × 38780) / 1
LCM(38761,38780) = 1503151580 / 1
LCM(38761,38780) = 1503151580

Least Common Multiple (LCM) of 38761 and 38780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38761 and 38780. First we will calculate the prime factors of 38761 and 38780.

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 38780

Prime factors of 38780 are 2, 5, 7, 277. Prime factorization of 38780 in exponential form is:

38780 = 22 × 51 × 71 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 38761 and 38780.

LCM(38761,38780) = 831 × 4671 × 22 × 51 × 71 × 2771
LCM(38761,38780) = 1503151580