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What is the Least Common Multiple of 5760 and 5778?

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 5760 and 5778 is 1848960.

LCM(5760,5778) = 1848960

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Least Common Multiple of 5760 and 5778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5760 and 5778, than apply into the LCM equation.

GCF(5760,5778) = 18
LCM(5760,5778) = ( 5760 × 5778) / 18
LCM(5760,5778) = 33281280 / 18
LCM(5760,5778) = 1848960

Least Common Multiple (LCM) of 5760 and 5778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5760 and 5778. First we will calculate the prime factors of 5760 and 5778.

Prime Factorization of 5760

Prime factors of 5760 are 2, 3, 5. Prime factorization of 5760 in exponential form is:

5760 = 27 × 32 × 51

Prime Factorization of 5778

Prime factors of 5778 are 2, 3, 107. Prime factorization of 5778 in exponential form is:

5778 = 21 × 33 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 5760 and 5778.

LCM(5760,5778) = 27 × 33 × 51 × 1071
LCM(5760,5778) = 1848960