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What is the Least Common Multiple of 40821 and 40825?

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 40821 and 40825 is 1666517325.

LCM(40821,40825) = 1666517325

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Least Common Multiple of 40821 and 40825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40821 and 40825, than apply into the LCM equation.

GCF(40821,40825) = 1
LCM(40821,40825) = ( 40821 × 40825) / 1
LCM(40821,40825) = 1666517325 / 1
LCM(40821,40825) = 1666517325

Least Common Multiple (LCM) of 40821 and 40825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40821 and 40825. First we will calculate the prime factors of 40821 and 40825.

Prime Factorization of 40821

Prime factors of 40821 are 3, 11, 1237. Prime factorization of 40821 in exponential form is:

40821 = 31 × 111 × 12371

Prime Factorization of 40825

Prime factors of 40825 are 5, 23, 71. Prime factorization of 40825 in exponential form is:

40825 = 52 × 231 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 40821 and 40825.

LCM(40821,40825) = 31 × 111 × 12371 × 52 × 231 × 711
LCM(40821,40825) = 1666517325