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What is the Least Common Multiple of 1792 and 1801?

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 1792 and 1801 is 3227392.

LCM(1792,1801) = 3227392

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Least Common Multiple of 1792 and 1801 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1792 and 1801, than apply into the LCM equation.

GCF(1792,1801) = 1
LCM(1792,1801) = ( 1792 × 1801) / 1
LCM(1792,1801) = 3227392 / 1
LCM(1792,1801) = 3227392

Least Common Multiple (LCM) of 1792 and 1801 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1792 and 1801. First we will calculate the prime factors of 1792 and 1801.

Prime Factorization of 1792

Prime factors of 1792 are 2, 7. Prime factorization of 1792 in exponential form is:

1792 = 28 × 71

Prime Factorization of 1801

Prime factors of 1801 are 1801. Prime factorization of 1801 in exponential form is:

1801 = 18011

Now multiplying the highest exponent prime factors to calculate the LCM of 1792 and 1801.

LCM(1792,1801) = 28 × 71 × 18011
LCM(1792,1801) = 3227392