What is the Least Common Multiple of 28102 and 28107?
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 28102 and 28107 is 789862914.
LCM(28102,28107) = 789862914
Least Common Multiple of 28102 and 28107 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28102 and 28107, than apply into the LCM equation.
GCF(28102,28107) = 1
LCM(28102,28107) = ( 28102 × 28107) / 1
LCM(28102,28107) = 789862914 / 1
LCM(28102,28107) = 789862914
Least Common Multiple (LCM) of 28102 and 28107 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 28102 and 28107. First we will calculate the prime factors of 28102 and 28107.
Prime Factorization of 28102
Prime factors of 28102 are 2, 14051. Prime factorization of 28102 in exponential form is:
28102 = 21 × 140511
Prime Factorization of 28107
Prime factors of 28107 are 3, 347. Prime factorization of 28107 in exponential form is:
28107 = 34 × 3471
Now multiplying the highest exponent prime factors to calculate the LCM of 28102 and 28107.
LCM(28102,28107) = 21 × 140511 × 34 × 3471
LCM(28102,28107) = 789862914
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