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What is the Least Common Multiple of 53115 and 53128?

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 53115 and 53128 is 2821893720.

LCM(53115,53128) = 2821893720

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Least Common Multiple of 53115 and 53128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53115 and 53128, than apply into the LCM equation.

GCF(53115,53128) = 1
LCM(53115,53128) = ( 53115 × 53128) / 1
LCM(53115,53128) = 2821893720 / 1
LCM(53115,53128) = 2821893720

Least Common Multiple (LCM) of 53115 and 53128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53115 and 53128. First we will calculate the prime factors of 53115 and 53128.

Prime Factorization of 53115

Prime factors of 53115 are 3, 5, 3541. Prime factorization of 53115 in exponential form is:

53115 = 31 × 51 × 35411

Prime Factorization of 53128

Prime factors of 53128 are 2, 29, 229. Prime factorization of 53128 in exponential form is:

53128 = 23 × 291 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 53115 and 53128.

LCM(53115,53128) = 31 × 51 × 35411 × 23 × 291 × 2291
LCM(53115,53128) = 2821893720