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What is the Least Common Multiple of 66458 and 66475?

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 66458 and 66475 is 4417795550.

LCM(66458,66475) = 4417795550

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Least Common Multiple of 66458 and 66475 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66458 and 66475, than apply into the LCM equation.

GCF(66458,66475) = 1
LCM(66458,66475) = ( 66458 × 66475) / 1
LCM(66458,66475) = 4417795550 / 1
LCM(66458,66475) = 4417795550

Least Common Multiple (LCM) of 66458 and 66475 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66458 and 66475. First we will calculate the prime factors of 66458 and 66475.

Prime Factorization of 66458

Prime factors of 66458 are 2, 7, 47, 101. Prime factorization of 66458 in exponential form is:

66458 = 21 × 71 × 471 × 1011

Prime Factorization of 66475

Prime factors of 66475 are 5, 2659. Prime factorization of 66475 in exponential form is:

66475 = 52 × 26591

Now multiplying the highest exponent prime factors to calculate the LCM of 66458 and 66475.

LCM(66458,66475) = 21 × 71 × 471 × 1011 × 52 × 26591
LCM(66458,66475) = 4417795550