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What is the Least Common Multiple of 40515 and 40521?

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 40515 and 40521 is 547236105.

LCM(40515,40521) = 547236105

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Least Common Multiple of 40515 and 40521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40515 and 40521, than apply into the LCM equation.

GCF(40515,40521) = 3
LCM(40515,40521) = ( 40515 × 40521) / 3
LCM(40515,40521) = 1641708315 / 3
LCM(40515,40521) = 547236105

Least Common Multiple (LCM) of 40515 and 40521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40515 and 40521. First we will calculate the prime factors of 40515 and 40521.

Prime Factorization of 40515

Prime factors of 40515 are 3, 5, 37, 73. Prime factorization of 40515 in exponential form is:

40515 = 31 × 51 × 371 × 731

Prime Factorization of 40521

Prime factors of 40521 are 3, 13, 1039. Prime factorization of 40521 in exponential form is:

40521 = 31 × 131 × 10391

Now multiplying the highest exponent prime factors to calculate the LCM of 40515 and 40521.

LCM(40515,40521) = 31 × 51 × 371 × 731 × 131 × 10391
LCM(40515,40521) = 547236105