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What is the Least Common Multiple of 40494 and 40507?

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 40494 and 40507 is 1640290458.

LCM(40494,40507) = 1640290458

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Least Common Multiple of 40494 and 40507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40494 and 40507, than apply into the LCM equation.

GCF(40494,40507) = 1
LCM(40494,40507) = ( 40494 × 40507) / 1
LCM(40494,40507) = 1640290458 / 1
LCM(40494,40507) = 1640290458

Least Common Multiple (LCM) of 40494 and 40507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40494 and 40507. First we will calculate the prime factors of 40494 and 40507.

Prime Factorization of 40494

Prime factors of 40494 are 2, 3, 17, 397. Prime factorization of 40494 in exponential form is:

40494 = 21 × 31 × 171 × 3971

Prime Factorization of 40507

Prime factors of 40507 are 40507. Prime factorization of 40507 in exponential form is:

40507 = 405071

Now multiplying the highest exponent prime factors to calculate the LCM of 40494 and 40507.

LCM(40494,40507) = 21 × 31 × 171 × 3971 × 405071
LCM(40494,40507) = 1640290458