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What is the Least Common Multiple of 763 and 783?

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 763 and 783 is 597429.

LCM(763,783) = 597429

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Least Common Multiple of 763 and 783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 763 and 783, than apply into the LCM equation.

GCF(763,783) = 1
LCM(763,783) = ( 763 × 783) / 1
LCM(763,783) = 597429 / 1
LCM(763,783) = 597429

Least Common Multiple (LCM) of 763 and 783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 763 and 783. First we will calculate the prime factors of 763 and 783.

Prime Factorization of 763

Prime factors of 763 are 7, 109. Prime factorization of 763 in exponential form is:

763 = 71 × 1091

Prime Factorization of 783

Prime factors of 783 are 3, 29. Prime factorization of 783 in exponential form is:

783 = 33 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 763 and 783.

LCM(763,783) = 71 × 1091 × 33 × 291
LCM(763,783) = 597429