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What is the Least Common Multiple of 19762 and 19771?

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 19762 and 19771 is 390714502.

LCM(19762,19771) = 390714502

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Least Common Multiple of 19762 and 19771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19762 and 19771, than apply into the LCM equation.

GCF(19762,19771) = 1
LCM(19762,19771) = ( 19762 × 19771) / 1
LCM(19762,19771) = 390714502 / 1
LCM(19762,19771) = 390714502

Least Common Multiple (LCM) of 19762 and 19771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19762 and 19771. First we will calculate the prime factors of 19762 and 19771.

Prime Factorization of 19762

Prime factors of 19762 are 2, 41, 241. Prime factorization of 19762 in exponential form is:

19762 = 21 × 411 × 2411

Prime Factorization of 19771

Prime factors of 19771 are 17, 1163. Prime factorization of 19771 in exponential form is:

19771 = 171 × 11631

Now multiplying the highest exponent prime factors to calculate the LCM of 19762 and 19771.

LCM(19762,19771) = 21 × 411 × 2411 × 171 × 11631
LCM(19762,19771) = 390714502