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What is the Least Common Multiple of 8462 and 8470?

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 8462 and 8470 is 35836570.

LCM(8462,8470) = 35836570

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Least Common Multiple of 8462 and 8470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8462 and 8470, than apply into the LCM equation.

GCF(8462,8470) = 2
LCM(8462,8470) = ( 8462 × 8470) / 2
LCM(8462,8470) = 71673140 / 2
LCM(8462,8470) = 35836570

Least Common Multiple (LCM) of 8462 and 8470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8462 and 8470. First we will calculate the prime factors of 8462 and 8470.

Prime Factorization of 8462

Prime factors of 8462 are 2, 4231. Prime factorization of 8462 in exponential form is:

8462 = 21 × 42311

Prime Factorization of 8470

Prime factors of 8470 are 2, 5, 7, 11. Prime factorization of 8470 in exponential form is:

8470 = 21 × 51 × 71 × 112

Now multiplying the highest exponent prime factors to calculate the LCM of 8462 and 8470.

LCM(8462,8470) = 21 × 42311 × 51 × 71 × 112
LCM(8462,8470) = 35836570