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The prime factorization of 20 is 2 x 2 x 5. That's three prime factors; two distinct prime factors.
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Earn +20 ptsQ: Does 20 have exactly 3 prime numbers?
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Related questions
Does 20 have the product of exactly 3 different prime numbers?
No.
Are there exactly seven prime numbers less than 20?
There are actually 8 prime numbers less than 20: 2, 3, 5, 7, 11, 13, 17, and 19
What of these numbers 15 20 30 and 57 are products of exactly 3 different prime numbers?
It is 30 because 2*3*5 = 30
Numbers with exactly 3 factors?
Squares of prime numbers have exactly three factors.
What numbers have exactly 3 factors?
All numbers that are the square of primes have exactly 3 factors.
What do say for numbers which have exactly 3 factors?
Numbers with exactly three factors are squares of prime numbers.
What are all the numbers less than 100 with exactly 3 factors that are prime?
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
Numbers that have exactly 3 factors?
Prime squares
What prime numbers divide exactly into 1890?
The prime numbers required are 2, 3, 5 and 7
What are all of the numbers with exactly 3 prime numbers?
That's an infinite list.
What number is a product of exactly 3 different prime numbers?
How about: 2*3*5 = 30 which is the product of the 1st three prime numbers
Numbers with 3 factors?
The squares of all prime numbers above 2 have exactly 3 factors.
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