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What is the Least Common Multiple of 7280 and 7299?

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 7280 and 7299 is 53136720.

LCM(7280,7299) = 53136720

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Least Common Multiple of 7280 and 7299 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7280 and 7299, than apply into the LCM equation.

GCF(7280,7299) = 1
LCM(7280,7299) = ( 7280 × 7299) / 1
LCM(7280,7299) = 53136720 / 1
LCM(7280,7299) = 53136720

Least Common Multiple (LCM) of 7280 and 7299 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7280 and 7299. First we will calculate the prime factors of 7280 and 7299.

Prime Factorization of 7280

Prime factors of 7280 are 2, 5, 7, 13. Prime factorization of 7280 in exponential form is:

7280 = 24 × 51 × 71 × 131

Prime Factorization of 7299

Prime factors of 7299 are 3, 811. Prime factorization of 7299 in exponential form is:

7299 = 32 × 8111

Now multiplying the highest exponent prime factors to calculate the LCM of 7280 and 7299.

LCM(7280,7299) = 24 × 51 × 71 × 131 × 32 × 8111
LCM(7280,7299) = 53136720