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What is the Least Common Multiple of 7135 and 7155?

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 7135 and 7155 is 10210185.

LCM(7135,7155) = 10210185

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Least Common Multiple of 7135 and 7155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7135 and 7155, than apply into the LCM equation.

GCF(7135,7155) = 5
LCM(7135,7155) = ( 7135 × 7155) / 5
LCM(7135,7155) = 51050925 / 5
LCM(7135,7155) = 10210185

Least Common Multiple (LCM) of 7135 and 7155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7135 and 7155. First we will calculate the prime factors of 7135 and 7155.

Prime Factorization of 7135

Prime factors of 7135 are 5, 1427. Prime factorization of 7135 in exponential form is:

7135 = 51 × 14271

Prime Factorization of 7155

Prime factors of 7155 are 3, 5, 53. Prime factorization of 7155 in exponential form is:

7155 = 33 × 51 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 7135 and 7155.

LCM(7135,7155) = 51 × 14271 × 33 × 531
LCM(7135,7155) = 10210185