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What is the Least Common Multiple of 17540 and 17551?

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 17540 and 17551 is 307844540.

LCM(17540,17551) = 307844540

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Least Common Multiple of 17540 and 17551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17540 and 17551, than apply into the LCM equation.

GCF(17540,17551) = 1
LCM(17540,17551) = ( 17540 × 17551) / 1
LCM(17540,17551) = 307844540 / 1
LCM(17540,17551) = 307844540

Least Common Multiple (LCM) of 17540 and 17551 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17540 and 17551. First we will calculate the prime factors of 17540 and 17551.

Prime Factorization of 17540

Prime factors of 17540 are 2, 5, 877. Prime factorization of 17540 in exponential form is:

17540 = 22 × 51 × 8771

Prime Factorization of 17551

Prime factors of 17551 are 17551. Prime factorization of 17551 in exponential form is:

17551 = 175511

Now multiplying the highest exponent prime factors to calculate the LCM of 17540 and 17551.

LCM(17540,17551) = 22 × 51 × 8771 × 175511
LCM(17540,17551) = 307844540