840 = 23 x 31 x 51 x 71
840 = 2 x 2 x 2 x 3 x 5 x 7
The longest factor string for 840 is its prime factorization because prime factors can't be broken down any further.
5040
2 x 2 x 2 x 3 x 5 x 7 = 840
2 x 2 x 2 x 3 x 5 x 7
840
Find one factor, divide by it to get the other factor. Continue separating each of the factors into smaller factors, until you only have prime numbers. For example, 840 = 2 x 420. Now continue finding smaller factors for 420.
15 percent of 840 = 12615% of 840= 15% * 840= 0.15 * 840= 126
99% of 840= 99% * 840= 0.99 * 840= 831.6
15 percent of 840 = 12615% of 840= 15% * 840= 0.15 * 840= 126
17.86 percent of 840 = 150.02417.86% of 840= 17.86% * 840= 0.1786 * 840= 150.024