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What is the Least Common Multiple of 755 and 760?

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 755 and 760 is 114760.

LCM(755,760) = 114760

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Least Common Multiple of 755 and 760 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 755 and 760, than apply into the LCM equation.

GCF(755,760) = 5
LCM(755,760) = ( 755 × 760) / 5
LCM(755,760) = 573800 / 5
LCM(755,760) = 114760

Least Common Multiple (LCM) of 755 and 760 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 755 and 760. First we will calculate the prime factors of 755 and 760.

Prime Factorization of 755

Prime factors of 755 are 5, 151. Prime factorization of 755 in exponential form is:

755 = 51 × 1511

Prime Factorization of 760

Prime factors of 760 are 2, 5, 19. Prime factorization of 760 in exponential form is:

760 = 23 × 51 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 755 and 760.

LCM(755,760) = 51 × 1511 × 23 × 191
LCM(755,760) = 114760