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What is the Least Common Multiple of 4481 and 4490?

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 4481 and 4490 is 20119690.

LCM(4481,4490) = 20119690

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Least Common Multiple of 4481 and 4490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4481 and 4490, than apply into the LCM equation.

GCF(4481,4490) = 1
LCM(4481,4490) = ( 4481 × 4490) / 1
LCM(4481,4490) = 20119690 / 1
LCM(4481,4490) = 20119690

Least Common Multiple (LCM) of 4481 and 4490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4481 and 4490. First we will calculate the prime factors of 4481 and 4490.

Prime Factorization of 4481

Prime factors of 4481 are 4481. Prime factorization of 4481 in exponential form is:

4481 = 44811

Prime Factorization of 4490

Prime factors of 4490 are 2, 5, 449. Prime factorization of 4490 in exponential form is:

4490 = 21 × 51 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 4481 and 4490.

LCM(4481,4490) = 44811 × 21 × 51 × 4491
LCM(4481,4490) = 20119690