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What is the Least Common Multiple of 9770 and 9788?

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 9770 and 9788 is 47814380.

LCM(9770,9788) = 47814380

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Least Common Multiple of 9770 and 9788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9770 and 9788, than apply into the LCM equation.

GCF(9770,9788) = 2
LCM(9770,9788) = ( 9770 × 9788) / 2
LCM(9770,9788) = 95628760 / 2
LCM(9770,9788) = 47814380

Least Common Multiple (LCM) of 9770 and 9788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9770 and 9788. First we will calculate the prime factors of 9770 and 9788.

Prime Factorization of 9770

Prime factors of 9770 are 2, 5, 977. Prime factorization of 9770 in exponential form is:

9770 = 21 × 51 × 9771

Prime Factorization of 9788

Prime factors of 9788 are 2, 2447. Prime factorization of 9788 in exponential form is:

9788 = 22 × 24471

Now multiplying the highest exponent prime factors to calculate the LCM of 9770 and 9788.

LCM(9770,9788) = 22 × 51 × 9771 × 24471
LCM(9770,9788) = 47814380