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What is the Least Common Multiple of 40840 and 40852?

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 40840 and 40852 is 417098920.

LCM(40840,40852) = 417098920

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Least Common Multiple of 40840 and 40852 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40840 and 40852, than apply into the LCM equation.

GCF(40840,40852) = 4
LCM(40840,40852) = ( 40840 × 40852) / 4
LCM(40840,40852) = 1668395680 / 4
LCM(40840,40852) = 417098920

Least Common Multiple (LCM) of 40840 and 40852 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40840 and 40852. First we will calculate the prime factors of 40840 and 40852.

Prime Factorization of 40840

Prime factors of 40840 are 2, 5, 1021. Prime factorization of 40840 in exponential form is:

40840 = 23 × 51 × 10211

Prime Factorization of 40852

Prime factors of 40852 are 2, 7, 1459. Prime factorization of 40852 in exponential form is:

40852 = 22 × 71 × 14591

Now multiplying the highest exponent prime factors to calculate the LCM of 40840 and 40852.

LCM(40840,40852) = 23 × 51 × 10211 × 71 × 14591
LCM(40840,40852) = 417098920