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What is the Least Common Multiple of 448 and 452?

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 448 and 452 is 50624.

LCM(448,452) = 50624

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Least Common Multiple of 448 and 452 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 448 and 452, than apply into the LCM equation.

GCF(448,452) = 4
LCM(448,452) = ( 448 × 452) / 4
LCM(448,452) = 202496 / 4
LCM(448,452) = 50624

Least Common Multiple (LCM) of 448 and 452 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 448 and 452. First we will calculate the prime factors of 448 and 452.

Prime Factorization of 448

Prime factors of 448 are 2, 7. Prime factorization of 448 in exponential form is:

448 = 26 × 71

Prime Factorization of 452

Prime factors of 452 are 2, 113. Prime factorization of 452 in exponential form is:

452 = 22 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 448 and 452.

LCM(448,452) = 26 × 71 × 1131
LCM(448,452) = 50624