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What is the Least Common Multiple of 40513 and 40520?

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 40513 and 40520 is 1641586760.

LCM(40513,40520) = 1641586760

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Least Common Multiple of 40513 and 40520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40513 and 40520, than apply into the LCM equation.

GCF(40513,40520) = 1
LCM(40513,40520) = ( 40513 × 40520) / 1
LCM(40513,40520) = 1641586760 / 1
LCM(40513,40520) = 1641586760

Least Common Multiple (LCM) of 40513 and 40520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40513 and 40520. First we will calculate the prime factors of 40513 and 40520.

Prime Factorization of 40513

Prime factors of 40513 are 11, 29, 127. Prime factorization of 40513 in exponential form is:

40513 = 111 × 291 × 1271

Prime Factorization of 40520

Prime factors of 40520 are 2, 5, 1013. Prime factorization of 40520 in exponential form is:

40520 = 23 × 51 × 10131

Now multiplying the highest exponent prime factors to calculate the LCM of 40513 and 40520.

LCM(40513,40520) = 111 × 291 × 1271 × 23 × 51 × 10131
LCM(40513,40520) = 1641586760