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What is the Least Common Multiple of 28528 and 28546?

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 28528 and 28546 is 407180144.

LCM(28528,28546) = 407180144

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Least Common Multiple of 28528 and 28546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28528 and 28546, than apply into the LCM equation.

GCF(28528,28546) = 2
LCM(28528,28546) = ( 28528 × 28546) / 2
LCM(28528,28546) = 814360288 / 2
LCM(28528,28546) = 407180144

Least Common Multiple (LCM) of 28528 and 28546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28528 and 28546. First we will calculate the prime factors of 28528 and 28546.

Prime Factorization of 28528

Prime factors of 28528 are 2, 1783. Prime factorization of 28528 in exponential form is:

28528 = 24 × 17831

Prime Factorization of 28546

Prime factors of 28546 are 2, 7, 2039. Prime factorization of 28546 in exponential form is:

28546 = 21 × 71 × 20391

Now multiplying the highest exponent prime factors to calculate the LCM of 28528 and 28546.

LCM(28528,28546) = 24 × 17831 × 71 × 20391
LCM(28528,28546) = 407180144