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Q: How do you know when two pairs of numbers will have an LCM that is less than the product of the numbers?

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4 and 8, 8 and 12

4 and 6 6 and 8 Any time the two numbers have a common factor, their LCM will be less than the product because the common factor contributes to the LCM fewer times than it contributes to the product.

All the numbers less than 100 that are the product of exactly three different prime numbers are 30, 42, 66, 70, and 78. Need to know how to get the answer

If the two numbers have no prime factors in common, their LCM will be their product. If there are prime factors in common, their LCM will be less than their product.

All of the composite numbers less than 100 have factor pairs.

Pairs with common factors other than 1.

If their GCF is 1, their LCM is their product. If their GCF is greater than 1, their LCM is less than their product.

The product of the prime numbers less than 100 is 2.3055679639455188e+36

No. The product of two negative numbers is positive.

If the two numbers have no common factors other than 1, the LCM will be their product. If there are other common factors, the LCM will be less.

If there are no prime factors in common, the LCM will be the product. If there are prime factors in common, the LCM will be less than the product.

If the GCF of the two numbers is 1, the LCM will be their product. IF the GCF is greater than one, the LCM will be less than the product.

If the GCF is 1, the LCM is the product. If the GCF is more than 1, the LCM is less than the product.

If the prime factorizations have no numbers in common, the LCM is their product.

If there are no prime factors in common, the LCM will be the product of the two numbers. If common factors exist, the LCM will be less. It will never be more.

By finding out whether they have any factors in common. If the only factor they have in common is 1, the LCM will be their product. If they have more factors in common, their LCM will be less than their product.

Eight pairs.

All the numbers less than 100 that are the product of exactly three different prime numbers are 30, 42, 66, 70, and 78.

infinity

Find 3 consecutive numbers where the product of the smaller two numbers is 19 less than the square of the largest number.

1 and 1

The primes less than 10 are 2,3,5 and 7 with a product of 210.

No. Their product is always greater than 0.

If none of the prime factors are in common, the LCM will be the product of the two.

The product of all whole numbers except zero that are less than or equal to a numbr is a factorial number.