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What is the Least Common Multiple of 53788 and 53805?

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 53788 and 53805 is 170239020.

LCM(53788,53805) = 170239020

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Least Common Multiple of 53788 and 53805 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53788 and 53805, than apply into the LCM equation.

GCF(53788,53805) = 17
LCM(53788,53805) = ( 53788 × 53805) / 17
LCM(53788,53805) = 2894063340 / 17
LCM(53788,53805) = 170239020

Least Common Multiple (LCM) of 53788 and 53805 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53788 and 53805. First we will calculate the prime factors of 53788 and 53805.

Prime Factorization of 53788

Prime factors of 53788 are 2, 7, 17, 113. Prime factorization of 53788 in exponential form is:

53788 = 22 × 71 × 171 × 1131

Prime Factorization of 53805

Prime factors of 53805 are 3, 5, 17, 211. Prime factorization of 53805 in exponential form is:

53805 = 31 × 51 × 171 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 53788 and 53805.

LCM(53788,53805) = 22 × 71 × 171 × 1131 × 31 × 51 × 2111
LCM(53788,53805) = 170239020