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What is the Least Common Multiple of 53746 and 53760?

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 53746 and 53760 is 206384640.

LCM(53746,53760) = 206384640

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Least Common Multiple of 53746 and 53760 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53746 and 53760, than apply into the LCM equation.

GCF(53746,53760) = 14
LCM(53746,53760) = ( 53746 × 53760) / 14
LCM(53746,53760) = 2889384960 / 14
LCM(53746,53760) = 206384640

Least Common Multiple (LCM) of 53746 and 53760 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53746 and 53760. First we will calculate the prime factors of 53746 and 53760.

Prime Factorization of 53746

Prime factors of 53746 are 2, 7, 11, 349. Prime factorization of 53746 in exponential form is:

53746 = 21 × 71 × 111 × 3491

Prime Factorization of 53760

Prime factors of 53760 are 2, 3, 5, 7. Prime factorization of 53760 in exponential form is:

53760 = 29 × 31 × 51 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 53746 and 53760.

LCM(53746,53760) = 29 × 71 × 111 × 3491 × 31 × 51
LCM(53746,53760) = 206384640