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What is the Least Common Multiple of 74842 and 74858?

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 74842 and 74858 is 2801261218.

LCM(74842,74858) = 2801261218

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Least Common Multiple of 74842 and 74858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74842 and 74858, than apply into the LCM equation.

GCF(74842,74858) = 2
LCM(74842,74858) = ( 74842 × 74858) / 2
LCM(74842,74858) = 5602522436 / 2
LCM(74842,74858) = 2801261218

Least Common Multiple (LCM) of 74842 and 74858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74842 and 74858. First we will calculate the prime factors of 74842 and 74858.

Prime Factorization of 74842

Prime factors of 74842 are 2, 23, 1627. Prime factorization of 74842 in exponential form is:

74842 = 21 × 231 × 16271

Prime Factorization of 74858

Prime factors of 74858 are 2, 7, 5347. Prime factorization of 74858 in exponential form is:

74858 = 21 × 71 × 53471

Now multiplying the highest exponent prime factors to calculate the LCM of 74842 and 74858.

LCM(74842,74858) = 21 × 231 × 16271 × 71 × 53471
LCM(74842,74858) = 2801261218