There are eight nations located on the Prime Meridian: Algeria, Burkina Faso, Ghana, Mali, Spain, Togo, and the United Kingdom.

Axis

The Equator, or line of 0 degrees latitude, divides the Earth into the Northern and Southern hemispheres. The Northern Hemisphere contains North America, the northern part of South America, Europe, the northern two-thirds of Africa, and most of Asia.

Longitude is measured by imaginary lines that run around the Earth vertically (up and down) and meet at the North and South Poles. These lines are known as meridians.

adjective. shaped like half a sphere; hemispheric.

Atlantic Ocean

The Prime Meridian divides the Earth into East/West from the North Pole to the South Pole with an imaginary line along the longitude line of 0°. The Antimeridian, at 180° longitude, connects with the Prime Meridian to form a 3D giant circle all around the Globe, dividing it into Eastern and Western hemispheres.

The prime meridian separates the eastern hemisphere from the western hemisphere. Halfway around the world, at 180 degrees longitude, is the International Date Line. The prime meridian is the line of 0 longitude, the starting point for measuring distance both east and west around the Earth.

The prime meridian is the line drawn north to south at 0° (0 degrees) longitude. Credits: NASA. an imaginary line on Earth that passes north to south through the Greenwich Observatory in London, England. Sentences: The prime meridian divides Earth into the Eastern Hemisphere and the Western Hemisphere.

The Equator is another of the Earth’s great circles. If you were to cut into the Earth right on its Equator, you’d have two equal halves: the Northern and Southern Hemispheres. The Equator is the only east-west line that is a great circle. All other parallels (lines of latitude) get smaller as you get near the poles.

Composite numbers

The first 1000 prime numbers

A Co-prime number is a set of numbers or integers which have only 1 as their common factor i.e. their highest common factor (HCF) will be 1. Co-prime numbers are also known as relatively prime or mutually prime numbers. It is important that there should be two numbers in order to form co-primes.

A prime number is a whole number greater than 1 that can only be divided by itself and 1. The number 2 is the only even prime number.

For 11, the answer is: yes, 11 is a prime number because it has only two distinct divisors: 1 and itself (11). As a consequence, 11 is only a multiple of 1 and 11.

Two is a prime because it is divisible by only two and one. All the other even numbers are not prime because they are all divisible by two.

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Proof: The definition of a prime number is a positive integer that has exactly two positive divisors. However, 1 only has one positive divisor (1 itself), so it is not prime.

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