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What is the Least Common Multiple of 69450 and 69465?

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 69450 and 69465 is 321622950.

LCM(69450,69465) = 321622950

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Least Common Multiple of 69450 and 69465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69450 and 69465, than apply into the LCM equation.

GCF(69450,69465) = 15
LCM(69450,69465) = ( 69450 × 69465) / 15
LCM(69450,69465) = 4824344250 / 15
LCM(69450,69465) = 321622950

Least Common Multiple (LCM) of 69450 and 69465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69450 and 69465. First we will calculate the prime factors of 69450 and 69465.

Prime Factorization of 69450

Prime factors of 69450 are 2, 3, 5, 463. Prime factorization of 69450 in exponential form is:

69450 = 21 × 31 × 52 × 4631

Prime Factorization of 69465

Prime factors of 69465 are 3, 5, 11, 421. Prime factorization of 69465 in exponential form is:

69465 = 31 × 51 × 111 × 4211

Now multiplying the highest exponent prime factors to calculate the LCM of 69450 and 69465.

LCM(69450,69465) = 21 × 31 × 52 × 4631 × 111 × 4211
LCM(69450,69465) = 321622950