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It is 11*13 = 143

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โˆ™ 2013-12-27 19:19:59
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Q: What is the smallest composite number that is divisible by none of the primes 2 3 5 and 7?
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Related questions

Is there a number from 1 to 100 that is divisible by four different primes?

no the smallest number that is divisible by four different primes would be 210

What is the least positive number that is divisible by three different primes?

30, which is the smallest positive integer divisible by the first three primes: 2, 3 and 5.

What is the smallest perfect square that is divisible by the four smallest primes?


What is the smallest integer that cannot occur between two primes?

I'm not sure what you're asking. The smallest number that can't be between two primes is obviously 1. Once you start running into primes, every composite number is between at least two primes.

Can you find a number less than 200 that is divisible by 4 primes?

No. The smallest 4 primes are 2, 3, 5 and 7 and their product is 210.

Composite numbers have more than two of what?

Divisors. Primes are divisible by themselves, and one. Composite numbers also have other divisors.

What composite number that are prime?

A composite number is basically one that is NOT a prime - a composite number is a product of two or more primes.

Do twin primes have one composite number between them?

Yes, twin primes are prime numbers that have a difference of two, so there is a composite number between them. It would be an even number.

What numbers are divisible by four prime numbers?

2 * 3 * 5 * 7 = 210 is the smallest one divisible by four unique prime numbers. However, there are an infinite number of them, since there are an infinite number of primes.

What is the ninth largest composite number?

There are an infinite number of both primes and composite numbers. There is no largest of either.

Are the multiples of primes composite or prime?

composite seeing as if a number has more factors than 1 and itself.If you multiply a prime number the product will be a composite number. This is because it will have more than two factors as the prime number will be a factor.ExampleThe factors of 3 are:3 : 1,33 multiplied by 3 is 9.The factors of 9 are:9 : 1,3,9Multiples of any numbers other than 1 are composite numbers.The multiples of primes are composite, because they are divisible by the two numbers that were multiplied to make it.

What is the smallest composite number that is divisible by 3 5 and 9?

45. Look at the prime decompositions of all three numbers: 3 = 3 5 = 5 9 = 3 * 3 Then take the "union" of all these compositions, i.e. the minimum number of 3s you need is 2, the minimum number of 5s you need is 1 and for all other primes it is 0. Therefore the smallest number divisible by all numbers is 3*3*5 = 45.

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