Solve 13+8+9+9+11+25+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15=

$$13+8+9+9+11+25+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15=$$

Evaluate

$$297$$

Solution Steps

Add 13 and 8 to get 21.

$$21+9+9+11+25+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 21 and 9 to get 30.

$$30+9+11+25+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 30 and 9 to get 39.

$$39+11+25+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 39 and 11 to get 50.

$$50+25+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 50 and 25 to get 75.

$$75+24+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 75 and 24 to get 99.

$$99+4+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 99 and 4 to get 103.

$$103+6+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 103 and 6 to get 109.

$$109+32+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 109 and 32 to get 141.

$$141+16+25+14+13+21+8+6+15+1+10+12+15$$

Add 141 and 16 to get 157.

$$157+25+14+13+21+8+6+15+1+10+12+15$$

Add 157 and 25 to get 182.

$$182+14+13+21+8+6+15+1+10+12+15$$

Add 182 and 14 to get 196.

$$196+13+21+8+6+15+1+10+12+15$$

Add 196 and 13 to get 209.

$$209+21+8+6+15+1+10+12+15$$

Add 209 and 21 to get 230.

$$230+8+6+15+1+10+12+15$$

Add 230 and 8 to get 238.

$$238+6+15+1+10+12+15$$

Add 238 and 6 to get 244.

$$244+15+1+10+12+15$$

Add 244 and 15 to get 259.

$$259+1+10+12+15$$

Add 259 and 1 to get 260.

$$260+10+12+15$$

Add 260 and 10 to get 270.

$$270+12+15$$

Add 270 and 12 to get 282.

$$282+15$$

Add 282 and 15 to get 297.

$$297$$

Factor

$$3^{3}\times 11$$