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What is the Least Common Multiple of 40651 and 40658?

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 40651 and 40658 is 1652788358.

LCM(40651,40658) = 1652788358

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Least Common Multiple of 40651 and 40658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40651 and 40658, than apply into the LCM equation.

GCF(40651,40658) = 1
LCM(40651,40658) = ( 40651 × 40658) / 1
LCM(40651,40658) = 1652788358 / 1
LCM(40651,40658) = 1652788358

Least Common Multiple (LCM) of 40651 and 40658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40651 and 40658. First we will calculate the prime factors of 40651 and 40658.

Prime Factorization of 40651

Prime factors of 40651 are 13, 53, 59. Prime factorization of 40651 in exponential form is:

40651 = 131 × 531 × 591

Prime Factorization of 40658

Prime factors of 40658 are 2, 29, 701. Prime factorization of 40658 in exponential form is:

40658 = 21 × 291 × 7011

Now multiplying the highest exponent prime factors to calculate the LCM of 40651 and 40658.

LCM(40651,40658) = 131 × 531 × 591 × 21 × 291 × 7011
LCM(40651,40658) = 1652788358