How many positive integers are there within 2020 that are co-prime to both 2 and 5?
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2020 (two thousand twenty) is an even four-digits composite number following 2019 and preceding 2021. In scientific notation, it is written as 2.02 × 103. The sum of its digits is 4. It has a total of 4 prime factors and 12 positive divisors. There are 800 positive integers (up to 2020) that are relatively prime to 2020.
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2,020 (two thousand twenty) is an even four-digits composite number following 2019 and preceding 2021. In scientific notation, it is written as 2.02 × 103. The sum of its digits is 4. It has a total of 4 prime factors and 12 positive divisors. There are 800 positive integers (up to 2020) that are relatively prime to 2020.
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