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What is the Least Common Multiple of 70449 and 70455?

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 70449 and 70455 is 1654494765.

LCM(70449,70455) = 1654494765

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Least Common Multiple of 70449 and 70455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70449 and 70455, than apply into the LCM equation.

GCF(70449,70455) = 3
LCM(70449,70455) = ( 70449 × 70455) / 3
LCM(70449,70455) = 4963484295 / 3
LCM(70449,70455) = 1654494765

Least Common Multiple (LCM) of 70449 and 70455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70449 and 70455. First we will calculate the prime factors of 70449 and 70455.

Prime Factorization of 70449

Prime factors of 70449 are 3, 23, 1021. Prime factorization of 70449 in exponential form is:

70449 = 31 × 231 × 10211

Prime Factorization of 70455

Prime factors of 70455 are 3, 5, 7, 11, 61. Prime factorization of 70455 in exponential form is:

70455 = 31 × 51 × 71 × 111 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 70449 and 70455.

LCM(70449,70455) = 31 × 231 × 10211 × 51 × 71 × 111 × 611
LCM(70449,70455) = 1654494765