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What is the Least Common Multiple of 851 and 862?

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 851 and 862 is 733562.

LCM(851,862) = 733562

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Least Common Multiple of 851 and 862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 851 and 862, than apply into the LCM equation.

GCF(851,862) = 1
LCM(851,862) = ( 851 × 862) / 1
LCM(851,862) = 733562 / 1
LCM(851,862) = 733562

Least Common Multiple (LCM) of 851 and 862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 851 and 862. First we will calculate the prime factors of 851 and 862.

Prime Factorization of 851

Prime factors of 851 are 23, 37. Prime factorization of 851 in exponential form is:

851 = 231 × 371

Prime Factorization of 862

Prime factors of 862 are 2, 431. Prime factorization of 862 in exponential form is:

862 = 21 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 851 and 862.

LCM(851,862) = 231 × 371 × 21 × 4311
LCM(851,862) = 733562