Explain why numbers with a 5 in the ones place are not prime numbers

Question

CariMotten CariMotten

02-08-2015
English

contestada

Explain why numbers with a 5 in the ones place are not prime numbers

Respuesta :

Otras preguntas

having troubles with inequalities.. 3.8x + 14.5 < 32

Explain what is the same about two fractions that are like fractions

having troubles with inequalities.. 3.8x + 14.5 < 32

Explain what is the same about two fractions that are like fractions

having troubles with inequalities.. 3.8x + 14.5 < 32

what is the sum of 7/10 and 6/100

Explain what is the same about two fractions that are like fractions

which trinomial is equivalent to (3x-1)(x+4)

RedRicin RedRicin · Answer 1 · 2015-08-02T06:08:11+02:00

RedRicin RedRicin

02-08-2015

If it has a five in the ones place, then it is divisible by 5.
If it is divisible by a number besides 1 or itself, it is not prime.
*exception: 5 is a prime

Answer Link