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What is the Least Common Multiple of 70426 and 70440?

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 70426 and 70440 is 2480403720.

LCM(70426,70440) = 2480403720

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Least Common Multiple of 70426 and 70440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70426 and 70440, than apply into the LCM equation.

GCF(70426,70440) = 2
LCM(70426,70440) = ( 70426 × 70440) / 2
LCM(70426,70440) = 4960807440 / 2
LCM(70426,70440) = 2480403720

Least Common Multiple (LCM) of 70426 and 70440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70426 and 70440. First we will calculate the prime factors of 70426 and 70440.

Prime Factorization of 70426

Prime factors of 70426 are 2, 23, 1531. Prime factorization of 70426 in exponential form is:

70426 = 21 × 231 × 15311

Prime Factorization of 70440

Prime factors of 70440 are 2, 3, 5, 587. Prime factorization of 70440 in exponential form is:

70440 = 23 × 31 × 51 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 70426 and 70440.

LCM(70426,70440) = 23 × 231 × 15311 × 31 × 51 × 5871
LCM(70426,70440) = 2480403720