What are the Largest 7 Digit and 8 Digit Numbers in Maths 7-digit numbers We know that 9,99,999 is the largest 6-digit number. The successor of 9,99,999 is 9,99,999 + 1 = 10,00,000. 10,00,000 (Ten lakh) is the smallest 7-digit number. A 7-digit number begins with the ten-lakh place in the lakhs period of the place value chart. For example, a numeral 74,12,506 is read as … [Read more...] about What are the Largest 7 Digit and 8 Digit Numbers in Maths