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What is the Least Common Multiple of 42851 and 42871?

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 42851 and 42871 is 1837065221.

LCM(42851,42871) = 1837065221

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Least Common Multiple of 42851 and 42871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42851 and 42871, than apply into the LCM equation.

GCF(42851,42871) = 1
LCM(42851,42871) = ( 42851 × 42871) / 1
LCM(42851,42871) = 1837065221 / 1
LCM(42851,42871) = 1837065221

Least Common Multiple (LCM) of 42851 and 42871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42851 and 42871. First we will calculate the prime factors of 42851 and 42871.

Prime Factorization of 42851

Prime factors of 42851 are 73, 587. Prime factorization of 42851 in exponential form is:

42851 = 731 × 5871

Prime Factorization of 42871

Prime factors of 42871 are 43, 997. Prime factorization of 42871 in exponential form is:

42871 = 431 × 9971

Now multiplying the highest exponent prime factors to calculate the LCM of 42851 and 42871.

LCM(42851,42871) = 731 × 5871 × 431 × 9971
LCM(42851,42871) = 1837065221