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What is the Least Common Multiple of 4446 and 4455?

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 4446 and 4455 is 2200770.

LCM(4446,4455) = 2200770

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Least Common Multiple of 4446 and 4455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4446 and 4455, than apply into the LCM equation.

GCF(4446,4455) = 9
LCM(4446,4455) = ( 4446 × 4455) / 9
LCM(4446,4455) = 19806930 / 9
LCM(4446,4455) = 2200770

Least Common Multiple (LCM) of 4446 and 4455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4446 and 4455. First we will calculate the prime factors of 4446 and 4455.

Prime Factorization of 4446

Prime factors of 4446 are 2, 3, 13, 19. Prime factorization of 4446 in exponential form is:

4446 = 21 × 32 × 131 × 191

Prime Factorization of 4455

Prime factors of 4455 are 3, 5, 11. Prime factorization of 4455 in exponential form is:

4455 = 34 × 51 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 4446 and 4455.

LCM(4446,4455) = 21 × 34 × 131 × 191 × 51 × 111
LCM(4446,4455) = 2200770