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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 least positive number divisible by two primes?
6 because it is divisible by 2 and 3.
What number has exactly 3 prime different factors one which is 5 and is divisible by 11 the first digit is a square number the last two digits are different primes numbers?
935
Is 52563744 divisible by 24?
Sol: 24 = 3 x 8, where 3 and 8 are co-primes. The sum of the digits in the given number is 36, which is divisible by 3. So, the given number is divisible by 3. The number formed by the last 3 digits of the given number is 744, which is divisible by 8. So, the given number is divisible by 8. Thus, the given number is divisible by both 3 and 8, where 3 and 8 are co-primes. So, it is divisible by 3 x 8, i.e., 24.
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.
Is 1250 a prime number?
No, it is not a prime number, it is divisible by 2, 625, 5, 250, 10, 125, and probabaly more than that. Primes are only divisible by 1 and itself.
How many primes less than 1000 are divisible by 7?
Just 7. Any other number divisible by 7 isn't prime.
Is there a number less than 200 that is divisible by four different prime numbers?
No. The 4 smallest primes are 2 3 5 7. Multiplying these gives 210. Note that 1 is not regarded as a prime no. If it were to be then no other number could be prime for all of them are divisible by 1.
Is 43.2 a prime number?
Only integers (whole numbers) can be primes. A prime is a number that is only divisible by 1 and itself. 43.2 and all other decimal numbers are not divisible by 1.
What is the smallest composite number that is divisible by none of the primes 2 3 5 and 7?
It is 11*13 = 143
Why the even numbers between 20 and 30 cant be primes?
Every even number is evenly divisible by 2.
