| 100% | PRIMERIB | 8 | Bone only divisible by 1 and itself? |
| 78% | PRIME | 5 | Natural number divisible by 1 and itself only |
| 35% | TENS | 4 | Always divisible by 2 and 5 |
| 34% | ONE | 3 | "___ and Only," song by Adele |
| 33% | TEN | 3 | Smallest number divisible by 2 and 5 |
| 33% | MONGOLIA | 8 | Country bordered by only Russia and China |
| 32% | COMPOSITENUMBER | 15 | *It has factors other than itself and 1 |
| 32% | BEERS | 5 | 7-Across and 1-Down, by different meanings |
| 32% | LEAF | 4 | Preceded by 1-, 9- and 65-Across, what each circled word literally suggests |
| 32% | BED | 3 | Flower ___ (as described by 1-, 4-, 5- and 6-Across, read in order?) |
| 32% | BASETWO | 7 | Number system with only 0's and 1's |
| 31% | ALCHEMY | 7 | Activity associated with the word ladder formed by 1-, 10-, 70- and 72-Across |
| 31% | SHOULDER | 8 | It is formed by bones such as clavicle and scapula |
| 31% | ISRAELITES | 10 | 1969 no 1 single by Desmond Dekker and The Aces |
| 31% | SOFI | 4 | "___ and the Bone Song," novel by Adrienne Tooley |
| 31% | PRIMES | 6 | Numbers that can only be divided by themselves and 1, such as 11 and 13 |
| 30% | THEMATCH | 8 | 2020 team charity golf event won by 1-Across/55-Across and 15-Across (2 wds.) |
| 30% | SEQUENCE | 8 | When preceded by [the circled letters], progression starting with 0 and 1 |
| 29% | NOME | 4 | U.S. city connected to the outside only by airplane, boat and sled |
| 29% | KAZZIA | 6 | 2002 winner of the Oaks and 1,000 Guineas ridden by Frankie Dettori |
| 29% | MELD | 4 | 1955 St Leger, Oaks and 1,000 Guineas winner ridden by Harry Carr |
| 29% | SEVEN | 5 | Number is small and divisible by two |
| 28% | PHDS | 4 | Honors held by only one U.S. president and one U.K. prime minister |
| 28% | SOUND | 5 | With 5- and 1-Down, 2015 Album of the Year nominee by Alabama Shakes |
| 28% | EVEN | 4 | Divisible by 2 |
| 28% | EVEN | 4 | Divisible by two |
| 28% | IOWA | 4 | Only state whose west and east borders are formed entirely by rivers |
| 28% | TRICKY | 6 | Word spelled phonetically by the starts of 1-, 20-, 27-, 36-, 49- and 56-Across |