How many prime numbers exist, which are less than 40? [#673]

12

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12

The Ahom Kingdom was established in 1253 by Sukapha, a Tai prince who migrated from Mong Mao (present-day Yunnan Province, China). The Ahom dynasty ruled Assam for nearly 600 years until its annexation by the British Empire in 1826.

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The Ahom Kingdom was established in 1253 by Sukapha, a Tai prince who migrated from Mong Mao (present-day Yunnan Province, China). The Ahom dynasty ruled Assam for nearly 600 years until its annexation by the British Empire in 1826.

Construction The primary sector of the economy extracts or harvests products from the earth, such as raw materials and basic foods. Construction is an industry that is part of the secondary sector of the economy, not the primary sector.

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Construction The primary sector of the economy extracts or harvests products from the earth, such as raw materials and basic foods. Construction is an industry that is part of the secondary sector of the economy, not the primary sector.

Anemia

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Anemia

International Nurses Day (IND) is an international day observed around the world on 12 May (the anniversary of Florence Nightingale's birth) each year, to mark the contributions that nurses make to society.

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International Nurses Day (IND) is an international day observed around the world on 12 May (the anniversary of Florence Nightingale's birth) each year, to mark the contributions that nurses make to society.

The park has over 500 documented bird species, including the Himalayan Griffon vulture, Bengal Florican, White-winged Duck, and Greater Adjutant stork.

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The park has over 500 documented bird species, including the Himalayan Griffon vulture, Bengal Florican, White-winged Duck, and Greater Adjutant stork.

40 days

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40 days

The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

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The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

On 12 March 1930, Mahatma Gandhi started the Dandi March. This was a nearly 385 km march from his Sabarmati Ashram in Ahmedabad to Dandi, a coastal town in Gujarat. He inaugurated the Civil Disobedience Movement by picking up a handful of salt in Dandi.

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On 12 March 1930, Mahatma Gandhi started the Dandi March. This was a nearly 385 km march from his Sabarmati Ashram in Ahmedabad to Dandi, a coastal town in Gujarat. He inaugurated the Civil Disobedience Movement by picking up a handful of salt in Dandi.

MEDICAL

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MEDICAL

Drones are Unmanned Aerial Vehicles (UAVs). UAVs are aircraft that can fly without a human pilot or crew, and can be fully or partially autonomous. They are usually small or medium-sized, and can perform a variety of tasks, such as aerial photography, package delivery, and stealth military operations.

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Drones are Unmanned Aerial Vehicles (UAVs). UAVs are aircraft that can fly without a human pilot or crew, and can be fully or partially autonomous. They are usually small or medium-sized, and can perform a variety of tasks, such as aerial photography, package delivery, and stealth military operations.