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What is the Least Common Multiple of 42847 and 42851?

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 42847 and 42851 is 1836036797.

LCM(42847,42851) = 1836036797

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Least Common Multiple of 42847 and 42851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42847 and 42851, than apply into the LCM equation.

GCF(42847,42851) = 1
LCM(42847,42851) = ( 42847 × 42851) / 1
LCM(42847,42851) = 1836036797 / 1
LCM(42847,42851) = 1836036797

Least Common Multiple (LCM) of 42847 and 42851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42847 and 42851. First we will calculate the prime factors of 42847 and 42851.

Prime Factorization of 42847

Prime factors of 42847 are 7, 6121. Prime factorization of 42847 in exponential form is:

42847 = 71 × 61211

Prime Factorization of 42851

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

42851 = 731 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 42847 and 42851.

LCM(42847,42851) = 71 × 61211 × 731 × 5871
LCM(42847,42851) = 1836036797