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Q: What is the smallest odd number you can obtain from the product of four different prime numbers?

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30

The two smallest prime numbers are 2 and 3. So, the smallest number that is a product of two different primes that are squared is 22 x 32 = 36.

2×3×5×7=210

Logically, the smallest number with 4 different prime factors would have to be the product of the smallest four prime numbers. So the smallest natural number with four different prime factors is 210 (2*3*5*7).

The two smallest prime numbers are 2 & 3. Their product is thus, 2 x 3 = 6.

The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210

36.

6666

15

If the number is a product of two composite numbers, it must be 16, which is the product of 4 and 4. The prime factors of 16 are 2, 2, 2, and 2. The smallest composite number is 4, so the smallest possible product of two composite numbers is 4 x 4 = 16.

9 is the smallest natural number that is odd and composite: 9=3*3. 15 is the smallest natural number that is odd and a product of two numbers different from one and from each other: 15=3*5.

No.

15

What is the smallest number of chromosomes in a mammal

Here it is ! 10,234 !!

1,023.

The first prime numbers are 2, 3, 5, 7, 11. When multiplied together the product is 2310. It is the smallest number that has the first five numbers as its factors.

If the signs of both numbers are the same, the product will be positive. If the signs of the numbers are different, the product will be negative.

-98

The four smallest prime numbers are 2, 3, 5, and 7. Their product is 2 x 3 x 5 x 7 = 210. Thus, the smallest number that is divisible by four different prime numbers is 210.

The product of negative number and a positive number is always a negative. The product of two positive numbers, or two negative numbers, is always a positive.

No.

210

216

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