What is the Least Common Multiple of 56638 and 56658?
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 56638 and 56658 is 1604497902.
LCM(56638,56658) = 1604497902
Least Common Multiple of 56638 and 56658 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56638 and 56658, than apply into the LCM equation.
GCF(56638,56658) = 2
LCM(56638,56658) = ( 56638 × 56658) / 2
LCM(56638,56658) = 3208995804 / 2
LCM(56638,56658) = 1604497902
Least Common Multiple (LCM) of 56638 and 56658 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 56638 and 56658. First we will calculate the prime factors of 56638 and 56658.
Prime Factorization of 56638
Prime factors of 56638 are 2, 28319. Prime factorization of 56638 in exponential form is:
56638 = 21 × 283191
Prime Factorization of 56658
Prime factors of 56658 are 2, 3, 7, 19, 71. Prime factorization of 56658 in exponential form is:
56658 = 21 × 31 × 71 × 191 × 711
Now multiplying the highest exponent prime factors to calculate the LCM of 56638 and 56658.
LCM(56638,56658) = 21 × 283191 × 31 × 71 × 191 × 711
LCM(56638,56658) = 1604497902
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