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What is the Least Common Multiple of 27470 and 27489?

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 27470 and 27489 is 755122830.

LCM(27470,27489) = 755122830

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Least Common Multiple of 27470 and 27489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27470 and 27489, than apply into the LCM equation.

GCF(27470,27489) = 1
LCM(27470,27489) = ( 27470 × 27489) / 1
LCM(27470,27489) = 755122830 / 1
LCM(27470,27489) = 755122830

Least Common Multiple (LCM) of 27470 and 27489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27470 and 27489. First we will calculate the prime factors of 27470 and 27489.

Prime Factorization of 27470

Prime factors of 27470 are 2, 5, 41, 67. Prime factorization of 27470 in exponential form is:

27470 = 21 × 51 × 411 × 671

Prime Factorization of 27489

Prime factors of 27489 are 3, 7, 11, 17. Prime factorization of 27489 in exponential form is:

27489 = 31 × 72 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 27470 and 27489.

LCM(27470,27489) = 21 × 51 × 411 × 671 × 31 × 72 × 111 × 171
LCM(27470,27489) = 755122830