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What is the Least Common Multiple of 4785 and 4795?

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 4785 and 4795 is 4588815.

LCM(4785,4795) = 4588815

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Least Common Multiple of 4785 and 4795 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4785 and 4795, than apply into the LCM equation.

GCF(4785,4795) = 5
LCM(4785,4795) = ( 4785 × 4795) / 5
LCM(4785,4795) = 22944075 / 5
LCM(4785,4795) = 4588815

Least Common Multiple (LCM) of 4785 and 4795 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4785 and 4795. First we will calculate the prime factors of 4785 and 4795.

Prime Factorization of 4785

Prime factors of 4785 are 3, 5, 11, 29. Prime factorization of 4785 in exponential form is:

4785 = 31 × 51 × 111 × 291

Prime Factorization of 4795

Prime factors of 4795 are 5, 7, 137. Prime factorization of 4795 in exponential form is:

4795 = 51 × 71 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 4785 and 4795.

LCM(4785,4795) = 31 × 51 × 111 × 291 × 71 × 1371
LCM(4785,4795) = 4588815