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What is the Least Common Multiple of 81446 and 81466?

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 81446 and 81466 is 3317539918.

LCM(81446,81466) = 3317539918

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Least Common Multiple of 81446 and 81466 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81446 and 81466, than apply into the LCM equation.

GCF(81446,81466) = 2
LCM(81446,81466) = ( 81446 × 81466) / 2
LCM(81446,81466) = 6635079836 / 2
LCM(81446,81466) = 3317539918

Least Common Multiple (LCM) of 81446 and 81466 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81446 and 81466. First we will calculate the prime factors of 81446 and 81466.

Prime Factorization of 81446

Prime factors of 81446 are 2, 193, 211. Prime factorization of 81446 in exponential form is:

81446 = 21 × 1931 × 2111

Prime Factorization of 81466

Prime factors of 81466 are 2, 7, 11, 23. Prime factorization of 81466 in exponential form is:

81466 = 21 × 71 × 111 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 81446 and 81466.

LCM(81446,81466) = 21 × 1931 × 2111 × 71 × 111 × 232
LCM(81446,81466) = 3317539918