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What is the Least Common Multiple of 87842 and 87862?

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 87842 and 87862 is 3858986902.

LCM(87842,87862) = 3858986902

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Least Common Multiple of 87842 and 87862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87842 and 87862, than apply into the LCM equation.

GCF(87842,87862) = 2
LCM(87842,87862) = ( 87842 × 87862) / 2
LCM(87842,87862) = 7717973804 / 2
LCM(87842,87862) = 3858986902

Least Common Multiple (LCM) of 87842 and 87862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87842 and 87862. First we will calculate the prime factors of 87842 and 87862.

Prime Factorization of 87842

Prime factors of 87842 are 2, 167, 263. Prime factorization of 87842 in exponential form is:

87842 = 21 × 1671 × 2631

Prime Factorization of 87862

Prime factors of 87862 are 2, 197, 223. Prime factorization of 87862 in exponential form is:

87862 = 21 × 1971 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 87842 and 87862.

LCM(87842,87862) = 21 × 1671 × 2631 × 1971 × 2231
LCM(87842,87862) = 3858986902