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What is the Least Common Multiple of 2760 and 2775?

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 2760 and 2775 is 510600.

LCM(2760,2775) = 510600

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Least Common Multiple of 2760 and 2775 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2760 and 2775, than apply into the LCM equation.

GCF(2760,2775) = 15
LCM(2760,2775) = ( 2760 × 2775) / 15
LCM(2760,2775) = 7659000 / 15
LCM(2760,2775) = 510600

Least Common Multiple (LCM) of 2760 and 2775 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2760 and 2775. First we will calculate the prime factors of 2760 and 2775.

Prime Factorization of 2760

Prime factors of 2760 are 2, 3, 5, 23. Prime factorization of 2760 in exponential form is:

2760 = 23 × 31 × 51 × 231

Prime Factorization of 2775

Prime factors of 2775 are 3, 5, 37. Prime factorization of 2775 in exponential form is:

2775 = 31 × 52 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 2760 and 2775.

LCM(2760,2775) = 23 × 31 × 52 × 231 × 371
LCM(2760,2775) = 510600