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What is the Least Common Multiple of 38778 and 38787?

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 38778 and 38787 is 501360762.

LCM(38778,38787) = 501360762

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Least Common Multiple of 38778 and 38787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38778 and 38787, than apply into the LCM equation.

GCF(38778,38787) = 3
LCM(38778,38787) = ( 38778 × 38787) / 3
LCM(38778,38787) = 1504082286 / 3
LCM(38778,38787) = 501360762

Least Common Multiple (LCM) of 38778 and 38787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38778 and 38787. First we will calculate the prime factors of 38778 and 38787.

Prime Factorization of 38778

Prime factors of 38778 are 2, 3, 23, 281. Prime factorization of 38778 in exponential form is:

38778 = 21 × 31 × 231 × 2811

Prime Factorization of 38787

Prime factors of 38787 are 3, 7, 1847. Prime factorization of 38787 in exponential form is:

38787 = 31 × 71 × 18471

Now multiplying the highest exponent prime factors to calculate the LCM of 38778 and 38787.

LCM(38778,38787) = 21 × 31 × 231 × 2811 × 71 × 18471
LCM(38778,38787) = 501360762