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What is the Least Common Multiple of 42098 and 42107?

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 42098 and 42107 is 1772620486.

LCM(42098,42107) = 1772620486

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Least Common Multiple of 42098 and 42107 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42098 and 42107, than apply into the LCM equation.

GCF(42098,42107) = 1
LCM(42098,42107) = ( 42098 × 42107) / 1
LCM(42098,42107) = 1772620486 / 1
LCM(42098,42107) = 1772620486

Least Common Multiple (LCM) of 42098 and 42107 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42098 and 42107. First we will calculate the prime factors of 42098 and 42107.

Prime Factorization of 42098

Prime factors of 42098 are 2, 7, 31, 97. Prime factorization of 42098 in exponential form is:

42098 = 21 × 71 × 311 × 971

Prime Factorization of 42107

Prime factors of 42107 are 13, 41, 79. Prime factorization of 42107 in exponential form is:

42107 = 131 × 411 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 42098 and 42107.

LCM(42098,42107) = 21 × 71 × 311 × 971 × 131 × 411 × 791
LCM(42098,42107) = 1772620486