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What is the Least Common Multiple of 40645 and 40664?

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 40645 and 40664 is 1652788280.

LCM(40645,40664) = 1652788280

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Least Common Multiple of 40645 and 40664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40645 and 40664, than apply into the LCM equation.

GCF(40645,40664) = 1
LCM(40645,40664) = ( 40645 × 40664) / 1
LCM(40645,40664) = 1652788280 / 1
LCM(40645,40664) = 1652788280

Least Common Multiple (LCM) of 40645 and 40664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40645 and 40664. First we will calculate the prime factors of 40645 and 40664.

Prime Factorization of 40645

Prime factors of 40645 are 5, 11, 739. Prime factorization of 40645 in exponential form is:

40645 = 51 × 111 × 7391

Prime Factorization of 40664

Prime factors of 40664 are 2, 13, 17, 23. Prime factorization of 40664 in exponential form is:

40664 = 23 × 131 × 171 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 40645 and 40664.

LCM(40645,40664) = 51 × 111 × 7391 × 23 × 131 × 171 × 231
LCM(40645,40664) = 1652788280