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What is the Least Common Multiple of 70725 and 70731?

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 70725 and 70731 is 1667483325.

LCM(70725,70731) = 1667483325

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Least Common Multiple of 70725 and 70731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70725 and 70731, than apply into the LCM equation.

GCF(70725,70731) = 3
LCM(70725,70731) = ( 70725 × 70731) / 3
LCM(70725,70731) = 5002449975 / 3
LCM(70725,70731) = 1667483325

Least Common Multiple (LCM) of 70725 and 70731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70725 and 70731. First we will calculate the prime factors of 70725 and 70731.

Prime Factorization of 70725

Prime factors of 70725 are 3, 5, 23, 41. Prime factorization of 70725 in exponential form is:

70725 = 31 × 52 × 231 × 411

Prime Factorization of 70731

Prime factors of 70731 are 3, 29, 271. Prime factorization of 70731 in exponential form is:

70731 = 32 × 291 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 70725 and 70731.

LCM(70725,70731) = 32 × 52 × 231 × 411 × 291 × 2711
LCM(70725,70731) = 1667483325