What is the Least Common Multiple of 61887 and 61894?
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 61887 and 61894 is 547204854.
LCM(61887,61894) = 547204854
Least Common Multiple of 61887 and 61894 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61887 and 61894, than apply into the LCM equation.
GCF(61887,61894) = 7
LCM(61887,61894) = ( 61887 × 61894) / 7
LCM(61887,61894) = 3830433978 / 7
LCM(61887,61894) = 547204854
Least Common Multiple (LCM) of 61887 and 61894 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 61887 and 61894. First we will calculate the prime factors of 61887 and 61894.
Prime Factorization of 61887
Prime factors of 61887 are 3, 7, 421. Prime factorization of 61887 in exponential form is:
61887 = 31 × 72 × 4211
Prime Factorization of 61894
Prime factors of 61894 are 2, 7, 4421. Prime factorization of 61894 in exponential form is:
61894 = 21 × 71 × 44211
Now multiplying the highest exponent prime factors to calculate the LCM of 61887 and 61894.
LCM(61887,61894) = 31 × 72 × 4211 × 21 × 44211
LCM(61887,61894) = 547204854
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