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What is the Least Common Multiple of 42802 and 42816?

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 42802 and 42816 is 916305216.

LCM(42802,42816) = 916305216

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Least Common Multiple of 42802 and 42816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42802 and 42816, than apply into the LCM equation.

GCF(42802,42816) = 2
LCM(42802,42816) = ( 42802 × 42816) / 2
LCM(42802,42816) = 1832610432 / 2
LCM(42802,42816) = 916305216

Least Common Multiple (LCM) of 42802 and 42816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42802 and 42816. First we will calculate the prime factors of 42802 and 42816.

Prime Factorization of 42802

Prime factors of 42802 are 2, 21401. Prime factorization of 42802 in exponential form is:

42802 = 21 × 214011

Prime Factorization of 42816

Prime factors of 42816 are 2, 3, 223. Prime factorization of 42816 in exponential form is:

42816 = 26 × 31 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 42802 and 42816.

LCM(42802,42816) = 26 × 214011 × 31 × 2231
LCM(42802,42816) = 916305216