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What is the Least Common Multiple of 40772 and 40778?

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 40772 and 40778 is 831300308.

LCM(40772,40778) = 831300308

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Least Common Multiple of 40772 and 40778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40772 and 40778, than apply into the LCM equation.

GCF(40772,40778) = 2
LCM(40772,40778) = ( 40772 × 40778) / 2
LCM(40772,40778) = 1662600616 / 2
LCM(40772,40778) = 831300308

Least Common Multiple (LCM) of 40772 and 40778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40772 and 40778. First we will calculate the prime factors of 40772 and 40778.

Prime Factorization of 40772

Prime factors of 40772 are 2, 10193. Prime factorization of 40772 in exponential form is:

40772 = 22 × 101931

Prime Factorization of 40778

Prime factors of 40778 are 2, 20389. Prime factorization of 40778 in exponential form is:

40778 = 21 × 203891

Now multiplying the highest exponent prime factors to calculate the LCM of 40772 and 40778.

LCM(40772,40778) = 22 × 101931 × 203891
LCM(40772,40778) = 831300308