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What is the Least Common Multiple of 4480 and 4494?

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 4480 and 4494 is 1438080.

LCM(4480,4494) = 1438080

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Least Common Multiple of 4480 and 4494 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4480 and 4494, than apply into the LCM equation.

GCF(4480,4494) = 14
LCM(4480,4494) = ( 4480 × 4494) / 14
LCM(4480,4494) = 20133120 / 14
LCM(4480,4494) = 1438080

Least Common Multiple (LCM) of 4480 and 4494 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4480 and 4494. First we will calculate the prime factors of 4480 and 4494.

Prime Factorization of 4480

Prime factors of 4480 are 2, 5, 7. Prime factorization of 4480 in exponential form is:

4480 = 27 × 51 × 71

Prime Factorization of 4494

Prime factors of 4494 are 2, 3, 7, 107. Prime factorization of 4494 in exponential form is:

4494 = 21 × 31 × 71 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 4480 and 4494.

LCM(4480,4494) = 27 × 51 × 71 × 31 × 1071
LCM(4480,4494) = 1438080