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What is the Least Common Multiple of 1441 and 1455?

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 1441 and 1455 is 2096655.

LCM(1441,1455) = 2096655

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Least Common Multiple of 1441 and 1455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1441 and 1455, than apply into the LCM equation.

GCF(1441,1455) = 1
LCM(1441,1455) = ( 1441 × 1455) / 1
LCM(1441,1455) = 2096655 / 1
LCM(1441,1455) = 2096655

Least Common Multiple (LCM) of 1441 and 1455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1441 and 1455. First we will calculate the prime factors of 1441 and 1455.

Prime Factorization of 1441

Prime factors of 1441 are 11, 131. Prime factorization of 1441 in exponential form is:

1441 = 111 × 1311

Prime Factorization of 1455

Prime factors of 1455 are 3, 5, 97. Prime factorization of 1455 in exponential form is:

1455 = 31 × 51 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 1441 and 1455.

LCM(1441,1455) = 111 × 1311 × 31 × 51 × 971
LCM(1441,1455) = 2096655