Seudónimo
Seudónimo
29-01-2016
Mathematics
contestada
Is 21 a prime number?
Respuesta :
sissy863
sissy863
29-01-2016
No.
7×3=21
7×1=21
A prime number can only be multiplied by 1 and itself.
Answer Link
Cortes33
Cortes33
29-01-2016
21 is not a prime number,
its a composite number because its divisible by 3 and 7
and prime numbers only have 1 and its self as factors..
Hope it helps :D
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
4 gallons of paint are use to paint 25 chairs if each chair needs the same amount of paint how many gallons are use to paint each chair.
How did president james k polk deal with the dispute between the united states and great britain over oregon?
A body is accelerated continuously. What is the form of the graph?
What does it mean for an equation to express y in terms of x
which of the following is an that a farmer would see when using a genetically engineered crop introducing chemicals in the environment increasing an animals re
Choose the logical answer to each of Beatriz’s questions. ¿Necesitas relajarte? a. Sí. Estoy nervioso. b. Sí. Me duele el pie.
Can anyone tells any success stories you find or know about where a person has become cancer free due to the advances in treatment for cancer.
Help me to find the answers to the question
Help, please. Thank you :)
Who was the first scientist in south Africa and how?
