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What is the Least Common Multiple of 40340 and 40352?

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 40340 and 40352 is 406949920.

LCM(40340,40352) = 406949920

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Least Common Multiple of 40340 and 40352 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40340 and 40352, than apply into the LCM equation.

GCF(40340,40352) = 4
LCM(40340,40352) = ( 40340 × 40352) / 4
LCM(40340,40352) = 1627799680 / 4
LCM(40340,40352) = 406949920

Least Common Multiple (LCM) of 40340 and 40352 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40340 and 40352. First we will calculate the prime factors of 40340 and 40352.

Prime Factorization of 40340

Prime factors of 40340 are 2, 5, 2017. Prime factorization of 40340 in exponential form is:

40340 = 22 × 51 × 20171

Prime Factorization of 40352

Prime factors of 40352 are 2, 13, 97. Prime factorization of 40352 in exponential form is:

40352 = 25 × 131 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 40340 and 40352.

LCM(40340,40352) = 25 × 51 × 20171 × 131 × 971
LCM(40340,40352) = 406949920