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What is the Least Common Multiple of 68453 and 68472?

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 68453 and 68472 is 4687113816.

LCM(68453,68472) = 4687113816

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Least Common Multiple of 68453 and 68472 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68453 and 68472, than apply into the LCM equation.

GCF(68453,68472) = 1
LCM(68453,68472) = ( 68453 × 68472) / 1
LCM(68453,68472) = 4687113816 / 1
LCM(68453,68472) = 4687113816

Least Common Multiple (LCM) of 68453 and 68472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68453 and 68472. First we will calculate the prime factors of 68453 and 68472.

Prime Factorization of 68453

Prime factors of 68453 are 7, 11, 127. Prime factorization of 68453 in exponential form is:

68453 = 72 × 111 × 1271

Prime Factorization of 68472

Prime factors of 68472 are 2, 3, 317. Prime factorization of 68472 in exponential form is:

68472 = 23 × 33 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 68453 and 68472.

LCM(68453,68472) = 72 × 111 × 1271 × 23 × 33 × 3171
LCM(68453,68472) = 4687113816