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Prime Numbers

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Josie Sporer

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โˆ™ 2021-10-06 18:34:31
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Cards in this guide (23)
Is 121 a prime number

Nope! Divisible by 11.

Is 61 a composite number

Prime

Is 109 a prime number

it is prime

Is 111 a composite number

yes

Is 211 a prime number

The number 211 is a prime number.

Is 143 a composite number

Yes, 143 = 11 x 13.

Is 513 a prime number or a composite number

513 is not prime. 513 = 3 * 3 * 3 * 19

What trend can be seen in the mass of atoms or elements within a family

Within a family or group of periodic table the atomic mass increases from top to bottom.

Is 287 a prime number

287 is a composite number thankyou

What is a pair of relatively prime numbers

4 and 9

What pair of numbers is relatively prime 10 and 21 12 and 54 15 and 27 21 and 39

I suggest factoring each pair of numbers, and checking whether they have, or don't have, common factors. A pair of numbers is said to be "relatively prime" if they have no common factors (their greatest common factor is 1).

For larger numbers, Euclid's algorithm could be used, but for such small numbers, factoring is probably faster.

Are 42 and 108 relatively prime

No, 42 and 108 are not relatively prime. Two even numbers cannot be relatively prime.

Is 49 and 77 relatively prime numbers

No.

Is 41 a composite nummber

41 is a Prime Number.

Are 92 and 274 relatively prime

No. Both are even numbers are are multiples of 2.

Which pair of numbers is relatively prime 10 or 35

No, they are not.

Is 187 and 290 relatively prime

Yes, they are relatively prime.

What pair of numbers is relatively prime 26 and 99 90 and 117 100 and 202 201 and 444

26 and 99 is the only pair which is relatively prime.

What two numbers Multiplied 891

1 and 891 are a possible pair.

Is 88 and 121 relatively prime numbers

No, they are not relatively prime.

Are 96 and 105 relatively prime numbers

No, they are not relatively prime.

What is the base ten representation of the number 1203

What is the base 10 representation of 1203^5

find the product of each pair of numbers 315 and 70

22050

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