" 6.Explain why "Z times11times13+13" and "7times6times5times4times3times2times1+5" are composite numbers."

Explain Why 7times11times13times+13 and 7times6times5times4times3times2times1times+5 are composite number.

Explain why (7 times 11 times 13)+13 " and " (7 times 6 times 5 times 4 times 3 times 2 times 1)+5 are composite numbers.

1 times 2times3+2 times 3times4+3 times 4times5+.... =?

1 times 2times3+2 times 3times4+3 times 4times5+.... =?

Evaluate 13 times 13 times 13times a times a times a times a times a times b times b times b times b

Evaluate : 13 times 13 times 13 times a times a times a times a times a times b times b times b times b

Evaluate : 5/4 times 4/5 times 6/5 times 3/6 times 6/3 times 5/4 times 8/3 times 2/4

Explain why 7xx11 xx 13 + 13 and 7 xx 6xx 5 xx 4 xx 3 xx 2xx 1 +5 are composite numbers.

Explain why 7xx11 xx 13 + 13 and 7 xx 6xx 5 xx 4 xx 3 xx 2xx 1 +5 are composite numbers.

Explain why 7xx11 xx 13 + 13 and 7 xx 6xx 5 xx 4 xx 3 xx 2xx 1 +5 are composite numbers.