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Earn +20 ptsQ: What is the prime number for 4 6 7 8 15 21?
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What is the prime number 4 6 7 8 15 21?
The prime number is 7, because the only factors for 7 are 1 and 7.
What number is a prime factor of both 12 and 21?
'3' 3 x 4 = 12 3 x 7 = 21 NB '7' is also a prime number.
Is 3 or 4 a prime number?
3 is a prime number.4 is not a prime number. It is a composite number.
Are 4 and 15 relatively prime?
Yes, 4 and 15 are relatively prime.
Is 4 a prime number?
No, the number 4 is not a prime number because 2X2 = 4.A prime number is a number that can only be divided into 1 and itself.No.
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