No multiples of 10 are prime.
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13 is a prime number in that range. So are 11, 17 and 19.
No it isn't, it's divisible by 10 and 2 and 5. Also, No 780 is not a prime number. A prime number is defined as a number whos divisbility is 1 and its self.
Among the whole numbers alone, 10 is a multiple of 1, 2, 5, and 10. It's also a multiple of an infinite number of fractions and decimals.
No. As soon as you see that '0' at the end, you know it's a multiple of '10'.No multiple of '10' can be a prime, because in addition to itself and '1', it alsohas '2' and '5' for factors.In addition to '2' and '5', this particular number also has factors of4, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, and 560.It misses being a prime number by just a wee bit.
No, it is an even number greater than 2 and is also divisible by 10. It is a composite number.