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What is the Least Common Multiple of 1846 and 1859?

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 1846 and 1859 is 263978.

LCM(1846,1859) = 263978

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Least Common Multiple of 1846 and 1859 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1846 and 1859, than apply into the LCM equation.

GCF(1846,1859) = 13
LCM(1846,1859) = ( 1846 × 1859) / 13
LCM(1846,1859) = 3431714 / 13
LCM(1846,1859) = 263978

Least Common Multiple (LCM) of 1846 and 1859 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1846 and 1859. First we will calculate the prime factors of 1846 and 1859.

Prime Factorization of 1846

Prime factors of 1846 are 2, 13, 71. Prime factorization of 1846 in exponential form is:

1846 = 21 × 131 × 711

Prime Factorization of 1859

Prime factors of 1859 are 11, 13. Prime factorization of 1859 in exponential form is:

1859 = 111 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 1846 and 1859.

LCM(1846,1859) = 21 × 132 × 711 × 111
LCM(1846,1859) = 263978