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What is the Least Common Multiple of 40506 and 40513?

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 40506 and 40513 is 1641019578.

LCM(40506,40513) = 1641019578

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Least Common Multiple of 40506 and 40513 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40506 and 40513, than apply into the LCM equation.

GCF(40506,40513) = 1
LCM(40506,40513) = ( 40506 × 40513) / 1
LCM(40506,40513) = 1641019578 / 1
LCM(40506,40513) = 1641019578

Least Common Multiple (LCM) of 40506 and 40513 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40506 and 40513. First we will calculate the prime factors of 40506 and 40513.

Prime Factorization of 40506

Prime factors of 40506 are 2, 3, 43, 157. Prime factorization of 40506 in exponential form is:

40506 = 21 × 31 × 431 × 1571

Prime Factorization of 40513

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

40513 = 111 × 291 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 40506 and 40513.

LCM(40506,40513) = 21 × 31 × 431 × 1571 × 111 × 291 × 1271
LCM(40506,40513) = 1641019578