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What is the Least Common Multiple of 40698 and 40702?

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 40698 and 40702 is 828244998.

LCM(40698,40702) = 828244998

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Least Common Multiple of 40698 and 40702 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40698 and 40702, than apply into the LCM equation.

GCF(40698,40702) = 2
LCM(40698,40702) = ( 40698 × 40702) / 2
LCM(40698,40702) = 1656489996 / 2
LCM(40698,40702) = 828244998

Least Common Multiple (LCM) of 40698 and 40702 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40698 and 40702. First we will calculate the prime factors of 40698 and 40702.

Prime Factorization of 40698

Prime factors of 40698 are 2, 3, 7, 17, 19. Prime factorization of 40698 in exponential form is:

40698 = 21 × 32 × 71 × 171 × 191

Prime Factorization of 40702

Prime factors of 40702 are 2, 47, 433. Prime factorization of 40702 in exponential form is:

40702 = 21 × 471 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 40698 and 40702.

LCM(40698,40702) = 21 × 32 × 71 × 171 × 191 × 471 × 4331
LCM(40698,40702) = 828244998