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What is the Least Common Multiple of 779 and 784?

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 779 and 784 is 610736.

LCM(779,784) = 610736

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Least Common Multiple of 779 and 784 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 779 and 784, than apply into the LCM equation.

GCF(779,784) = 1
LCM(779,784) = ( 779 × 784) / 1
LCM(779,784) = 610736 / 1
LCM(779,784) = 610736

Least Common Multiple (LCM) of 779 and 784 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 779 and 784. First we will calculate the prime factors of 779 and 784.

Prime Factorization of 779

Prime factors of 779 are 19, 41. Prime factorization of 779 in exponential form is:

779 = 191 × 411

Prime Factorization of 784

Prime factors of 784 are 2, 7. Prime factorization of 784 in exponential form is:

784 = 24 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 779 and 784.

LCM(779,784) = 191 × 411 × 24 × 72
LCM(779,784) = 610736