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What is the Least Common Multiple of 54145 and 54159?

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 54145 and 54159 is 418919865.

LCM(54145,54159) = 418919865

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Least Common Multiple of 54145 and 54159 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54145 and 54159, than apply into the LCM equation.

GCF(54145,54159) = 7
LCM(54145,54159) = ( 54145 × 54159) / 7
LCM(54145,54159) = 2932439055 / 7
LCM(54145,54159) = 418919865

Least Common Multiple (LCM) of 54145 and 54159 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54145 and 54159. First we will calculate the prime factors of 54145 and 54159.

Prime Factorization of 54145

Prime factors of 54145 are 5, 7, 13, 17. Prime factorization of 54145 in exponential form is:

54145 = 51 × 72 × 131 × 171

Prime Factorization of 54159

Prime factors of 54159 are 3, 7, 2579. Prime factorization of 54159 in exponential form is:

54159 = 31 × 71 × 25791

Now multiplying the highest exponent prime factors to calculate the LCM of 54145 and 54159.

LCM(54145,54159) = 51 × 72 × 131 × 171 × 31 × 25791
LCM(54145,54159) = 418919865