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What is the Least Common Multiple of 40634 and 40642?

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 40634 and 40642 is 825723514.

LCM(40634,40642) = 825723514

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Least Common Multiple of 40634 and 40642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40634 and 40642, than apply into the LCM equation.

GCF(40634,40642) = 2
LCM(40634,40642) = ( 40634 × 40642) / 2
LCM(40634,40642) = 1651447028 / 2
LCM(40634,40642) = 825723514

Least Common Multiple (LCM) of 40634 and 40642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40634 and 40642. First we will calculate the prime factors of 40634 and 40642.

Prime Factorization of 40634

Prime factors of 40634 are 2, 11, 1847. Prime factorization of 40634 in exponential form is:

40634 = 21 × 111 × 18471

Prime Factorization of 40642

Prime factors of 40642 are 2, 7, 2903. Prime factorization of 40642 in exponential form is:

40642 = 21 × 71 × 29031

Now multiplying the highest exponent prime factors to calculate the LCM of 40634 and 40642.

LCM(40634,40642) = 21 × 111 × 18471 × 71 × 29031
LCM(40634,40642) = 825723514