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What is the Least Common Multiple of 19 and 37?

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 19 and 37 is 703.

LCM(19,37) = 703

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Least Common Multiple of 19 and 37 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19 and 37, than apply into the LCM equation.

GCF(19,37) = 1
LCM(19,37) = ( 19 × 37) / 1
LCM(19,37) = 703 / 1
LCM(19,37) = 703

Least Common Multiple (LCM) of 19 and 37 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19 and 37. First we will calculate the prime factors of 19 and 37.

Prime Factorization of 19

Prime factors of 19 are 19. Prime factorization of 19 in exponential form is:

19 = 191

Prime Factorization of 37

Prime factors of 37 are 37. Prime factorization of 37 in exponential form is:

37 = 371

Now multiplying the highest exponent prime factors to calculate the LCM of 19 and 37.

LCM(19,37) = 191 × 371
LCM(19,37) = 703

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