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What is the Least Common Multiple of 456 and 464?

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 456 and 464 is 26448.

LCM(456,464) = 26448

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Least Common Multiple of 456 and 464 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 456 and 464, than apply into the LCM equation.

GCF(456,464) = 8
LCM(456,464) = ( 456 × 464) / 8
LCM(456,464) = 211584 / 8
LCM(456,464) = 26448

Least Common Multiple (LCM) of 456 and 464 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 456 and 464. First we will calculate the prime factors of 456 and 464.

Prime Factorization of 456

Prime factors of 456 are 2, 3, 19. Prime factorization of 456 in exponential form is:

456 = 23 × 31 × 191

Prime Factorization of 464

Prime factors of 464 are 2, 29. Prime factorization of 464 in exponential form is:

464 = 24 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 456 and 464.

LCM(456,464) = 24 × 31 × 191 × 291
LCM(456,464) = 26448