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What is the Least Common Multiple of 4890 and 4901?

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 4890 and 4901 is 23965890.

LCM(4890,4901) = 23965890

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Least Common Multiple of 4890 and 4901 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4890 and 4901, than apply into the LCM equation.

GCF(4890,4901) = 1
LCM(4890,4901) = ( 4890 × 4901) / 1
LCM(4890,4901) = 23965890 / 1
LCM(4890,4901) = 23965890

Least Common Multiple (LCM) of 4890 and 4901 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4890 and 4901. First we will calculate the prime factors of 4890 and 4901.

Prime Factorization of 4890

Prime factors of 4890 are 2, 3, 5, 163. Prime factorization of 4890 in exponential form is:

4890 = 21 × 31 × 51 × 1631

Prime Factorization of 4901

Prime factors of 4901 are 13, 29. Prime factorization of 4901 in exponential form is:

4901 = 132 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 4890 and 4901.

LCM(4890,4901) = 21 × 31 × 51 × 1631 × 132 × 291
LCM(4890,4901) = 23965890