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What is the Least Common Multiple of 78986 and 78995?

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 78986 and 78995 is 6239499070.

LCM(78986,78995) = 6239499070

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Least Common Multiple of 78986 and 78995 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78986 and 78995, than apply into the LCM equation.

GCF(78986,78995) = 1
LCM(78986,78995) = ( 78986 × 78995) / 1
LCM(78986,78995) = 6239499070 / 1
LCM(78986,78995) = 6239499070

Least Common Multiple (LCM) of 78986 and 78995 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78986 and 78995. First we will calculate the prime factors of 78986 and 78995.

Prime Factorization of 78986

Prime factors of 78986 are 2, 73, 541. Prime factorization of 78986 in exponential form is:

78986 = 21 × 731 × 5411

Prime Factorization of 78995

Prime factors of 78995 are 5, 7, 37, 61. Prime factorization of 78995 in exponential form is:

78995 = 51 × 71 × 371 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 78986 and 78995.

LCM(78986,78995) = 21 × 731 × 5411 × 51 × 71 × 371 × 611
LCM(78986,78995) = 6239499070