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What is the Least Common Multiple of 7531 and 7551?

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 7531 and 7551 is 56866581.

LCM(7531,7551) = 56866581

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Least Common Multiple of 7531 and 7551 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7531 and 7551, than apply into the LCM equation.

GCF(7531,7551) = 1
LCM(7531,7551) = ( 7531 × 7551) / 1
LCM(7531,7551) = 56866581 / 1
LCM(7531,7551) = 56866581

Least Common Multiple (LCM) of 7531 and 7551 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7531 and 7551. First we will calculate the prime factors of 7531 and 7551.

Prime Factorization of 7531

Prime factors of 7531 are 17, 443. Prime factorization of 7531 in exponential form is:

7531 = 171 × 4431

Prime Factorization of 7551

Prime factors of 7551 are 3, 839. Prime factorization of 7551 in exponential form is:

7551 = 32 × 8391

Now multiplying the highest exponent prime factors to calculate the LCM of 7531 and 7551.

LCM(7531,7551) = 171 × 4431 × 32 × 8391
LCM(7531,7551) = 56866581