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What is the Least Common Multiple of 38907 and 38922?

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 38907 and 38922 is 504779418.

LCM(38907,38922) = 504779418

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Least Common Multiple of 38907 and 38922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38907 and 38922, than apply into the LCM equation.

GCF(38907,38922) = 3
LCM(38907,38922) = ( 38907 × 38922) / 3
LCM(38907,38922) = 1514338254 / 3
LCM(38907,38922) = 504779418

Least Common Multiple (LCM) of 38907 and 38922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38907 and 38922. First we will calculate the prime factors of 38907 and 38922.

Prime Factorization of 38907

Prime factors of 38907 are 3, 11, 131. Prime factorization of 38907 in exponential form is:

38907 = 33 × 111 × 1311

Prime Factorization of 38922

Prime factors of 38922 are 2, 3, 13, 499. Prime factorization of 38922 in exponential form is:

38922 = 21 × 31 × 131 × 4991

Now multiplying the highest exponent prime factors to calculate the LCM of 38907 and 38922.

LCM(38907,38922) = 33 × 111 × 1311 × 21 × 131 × 4991
LCM(38907,38922) = 504779418