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What is the Least Common Multiple of 27490 and 27506?

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 27490 and 27506 is 378069970.

LCM(27490,27506) = 378069970

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Least Common Multiple of 27490 and 27506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27490 and 27506, than apply into the LCM equation.

GCF(27490,27506) = 2
LCM(27490,27506) = ( 27490 × 27506) / 2
LCM(27490,27506) = 756139940 / 2
LCM(27490,27506) = 378069970

Least Common Multiple (LCM) of 27490 and 27506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27490 and 27506. First we will calculate the prime factors of 27490 and 27506.

Prime Factorization of 27490

Prime factors of 27490 are 2, 5, 2749. Prime factorization of 27490 in exponential form is:

27490 = 21 × 51 × 27491

Prime Factorization of 27506

Prime factors of 27506 are 2, 17, 809. Prime factorization of 27506 in exponential form is:

27506 = 21 × 171 × 8091

Now multiplying the highest exponent prime factors to calculate the LCM of 27490 and 27506.

LCM(27490,27506) = 21 × 51 × 27491 × 171 × 8091
LCM(27490,27506) = 378069970