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What is the Least Common Multiple of 40770 and 40774?

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 40770 and 40774 is 831177990.

LCM(40770,40774) = 831177990

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Least Common Multiple of 40770 and 40774 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40770 and 40774, than apply into the LCM equation.

GCF(40770,40774) = 2
LCM(40770,40774) = ( 40770 × 40774) / 2
LCM(40770,40774) = 1662355980 / 2
LCM(40770,40774) = 831177990

Least Common Multiple (LCM) of 40770 and 40774 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40770 and 40774. First we will calculate the prime factors of 40770 and 40774.

Prime Factorization of 40770

Prime factors of 40770 are 2, 3, 5, 151. Prime factorization of 40770 in exponential form is:

40770 = 21 × 33 × 51 × 1511

Prime Factorization of 40774

Prime factors of 40774 are 2, 19, 29, 37. Prime factorization of 40774 in exponential form is:

40774 = 21 × 191 × 291 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 40770 and 40774.

LCM(40770,40774) = 21 × 33 × 51 × 1511 × 191 × 291 × 371
LCM(40770,40774) = 831177990